Section 8: Administration and Privileged Commands

A B C D E F G H I K L M N O P Q R S T U V W X Z
Section index

A

a2disconf(8)
enable or disable an apache2 configuration file
a2dismod(8)
enable or disable an apache2 module
a2dissite(8)
enable or disable an apache2 site / virtual host
a2enconf(8)
enable or disable an apache2 configuration file
a2enmod(8)
enable or disable an apache2 module
a2ensite(8)
enable or disable an apache2 site / virtual host
accessdb(8)
dumps the content of a man-db database in a human read...
add-shell(8)
add shells to the list of valid login shells
addgnupghome(8)
Create .gnupg home directories
addgroup(8)
add a user or group to the system
addpart(8)
a simple wrapper around the "add partition" ioctl
adduser(8)
add a user or group to the system
adduser.conf(5)
configuration file for adduser(8) and addgroup(8) .
agetty(8)
alternative Linux getty
anacron(8)
runs commands periodically
anvil(8postfix)
Postfix session count and request rate control
apache2(8)
Apache Hypertext Transfer Protocol Server
apache2ctl(8)
Apache HTTP server control interface
apachectl(8)
Apache HTTP server control interface
applygnupgdefaults(8)
Run gpgconf - apply-defaults for all users.
apt(8)
command-line interface
apt-cache(8)
query the APT cache
apt-cdrom(8)
APT CD-ROM management utility
apt-config(8)
APT Configuration Query program
apt-get(8)
APT package handling utility - - command-line interface
apt-key(8)
APT key management utility
apt-mark(8)
mark/unmark a package as being automatically-installed
apt-secure(8)
Archive authentication support for APT
aptitude(8)
high-level interface to the package manager
aptitude-curses(8)
high-level interface to the package manager
arp(8)
manipulate the system ARP cache
arpd(8)
userspace arp daemon.
arping(8)
send ARP REQUEST to a neighbour host
aspell-autobuildhash(8)
Autobuilding aspell hash files for some dicts
authenumerate(8)
Fetches all known users from the authentication modules

B

badblocks(8)
search a device for bad blocks
blkdiscard(8)
discard sectors on a device
blkid(8)
locate/print block device attributes
blockdev(8)
call block device ioctls from the command line
bounce(8postfix)
Postfix delivery status reports
bridge(8)
show / manipulate bridge addresses and devices

C

catman(8)
create or update the pre-formatted manual pages
cfdisk(8)
display or manipulate a disk partition table
cgdisk(8)
Curses-based GUID partition table (GPT) manipulator
cgmanager(8)
a daemon to manage cgroups
cgproxy(8)
a proxy for cgmanager
chcpu(8)
configure CPUs
check_forensic(8)
tool to extract mod_log_forensic output from apache lo...
checkgid(8)
checks the gid
chgpasswd(8)
update group passwords in batch mode
chpasswd(8)
update passwords in batch mode
chroot(8)
run command or interactive shell with special root dir...
cleanup(8postfix)
canonicalize and enqueue Postfix message
comsat(8)
biff server
convertquota(8)
convert quota from old file format to new one
cpgr(8)
copy with locking the given file to the password or gr...
cppw(8)
copy with locking the given file to the password or gr...
cracklib-check(8)
Check passwords using libcrack2
cracklib-format(8)
cracklib dictionary utilities
cracklib-packer(8)
cracklib dictionary utilities
cracklib-unpacker(8)
cracklib dictionary utilities
create-cracklib-dict(8)
Check passwords using libcrack2
cron(8)
daemon to execute scheduled commands (Vixie Cron)
cryptsetup(8)
manage plain dm-crypt and LUKS encrypted volumes
cryptsetup-reencrypt(8)
tool for offline LUKS device re-encryption
ctrlaltdel(8)
set the function of the Ctrl-Alt-Del combination
ctstat(8)
unified linux network statistics

D

debootstrap(8)
Bootstrap a basic Debian system
debsums_init(8)
Initialize md5sums files for packages lacking them
debugfs(8)
ext2/ext3/ext4 file system debugger
defer(8postfix)
Postfix delivery status reports
delgroup(8)
remove a user or group from the system
deliverquota(8)
deliver to a maildir with a quota
deliverquota.courier(8)
deliver to a maildir with a quota
delpart(8)
simple wrapper around the "del partition" ioctl
deluser(8)
remove a user or group from the system
deluser.conf(5)
configuration file for deluser(8) and delgroup(8) .
depmod(8)
Generate modules.dep and map files.
dhclient(8)
Dynamic Host Configuration Protocol Client
dhclient-script(8)
DHCP client network configuration script
dhcp6c(8)
DHCPv6 client daemon
dhcp6ctl(8)
DHCPv6 client and server control utility
discard(8postfix)
Postfix discard mail delivery agent
dmsetup(8)
low level logical volume management
dnsblog(8postfix)
Postfix DNS white/blacklist logger
dnssec-checkds(8)
A DNSSEC delegation consistency checking tool.
dnssec-dsfromkey(8)
DNSSEC DS RR generation tool
dnssec-keyfromlabel(8)
DNSSEC key generation tool
dnssec-keygen(8)
DNSSEC key generation tool
dnssec-revoke(8)
Set the REVOKED bit on a DNSSEC key
dnssec-settime(8)
Set the key timing metadata for a DNSSEC key
dnssec-signzone(8)
DNSSEC zone signing tool
dnssec-verify(8)
DNSSEC zone verification tool
dosfsck(8)
check and repair MS-DOS filesystems
dosfslabel(8)
set or get MS-DOS filesystem label
dpkg-divert(8)
override a package's version of a file
dpkg-preconfigure(8)
let packages ask questions prior to their installation
dpkg-reconfigure(8)
reconfigure an already installed package
dpkg-statoverride(8)
override ownership and mode of files
dumpe2fs(8)
dump ext2/ext3/ext4 filesystem information

E

e2freefrag(8)
report free space fragmentation information
e2fsck(8)
check a Linux ext2/ext3/ext4 file system
e2image(8)
Save critical ext2/ext3/ext4 filesystem metadata to a ...
e2label(8)
Change the label on an ext2/ext3/ext4 filesystem
e2undo(8)
Replay an undo log for an ext2/ext3/ext4 filesystem
e4defrag(8)
online defragmenter for ext4 filesystem
editkeep(8)
frontend for deborphan
edquota(8)
edit user quotas
error(8postfix)
Postfix error/retry mail delivery agent
ethtool(8)
query or control network driver and hardware settings

F

faillog(8)
display faillog records or set login failure limits
fatlabel(8)
set or get MS-DOS filesystem label
fcgistarter(8)
Start a FastCGI program
fdformat(8)
low-level format a floppy disk
fdisk(8)
manipulate disk partition table
filefrag(8)
report on file fragmentation
findfs(8)
find a filesystem by label or UUID
findmnt(8)
find a filesystem
fixparts(8)
MBR partition table repair utility
flush(8postfix)
Postfix fast flush server
fsck(8)
check and repair a Linux filesystem
fsck.cramfs(8)
fsck compressed ROM file system
fsck.ext2(8)
check a Linux ext2/ext3/ext4 file system
fsck.ext3(8)
check a Linux ext2/ext3/ext4 file system
fsck.ext4(8)
check a Linux ext2/ext3/ext4 file system
fsck.ext4dev(8)
check a Linux ext2/ext3/ext4 file system
fsck.fat(8)
check and repair MS-DOS filesystems
fsck.minix(8)
check consistency of Minix filesystem
fsck.msdos(8)
check and repair MS-DOS filesystems
fsck.nfs(8)
Dummy fsck.nfs script that always returns success.
fsck.vfat(8)
check and repair MS-DOS filesystems
fsfreeze(8)
suspend access to a filesystem (Ext3/4, ReiserFS, JFS,...
fstab-decode(8)
run a command with fstab-encoded arguments
fstrim(8)
discard unused blocks on a mounted filesystem

G

gdisk(8)
Interactive GUID partition table (GPT) manipulator
gdomap(8)
GNUstep Distributed Objects name server
getcap(8)
examine file capabilities
getkeycodes(8)
print kernel scancode-to-keycode mapping table
getty(8)
alternative Linux getty
groupadd(8)
create a new group
groupdel(8)
delete a group
groupmod(8)
modify a group definition on the system
grpck(8)
verify integrity of group files
grpconv(8)
convert to and from shadow passwords and groups
grpunconv(8)
convert to and from shadow passwords and groups
grub-macbless(8)
bless a mac file/directory
grub-mkconfig(8)
generate a GRUB configuration file
grub-mkdevicemap(8)
make a device map file automatically
grub-probe(8)
probe device information for GRUB

H

halt(8)
Halt, power-off or reboot the machine
hdparm(8)
get/set SATA/IDE device parameters
htcacheclean(8)
Clean up the disk cache
hwclock(8)
query or set the hardware clock (RTC)

I

i386(8)
change reported architecture in new program environmen...
iconvconfig(8)
create iconv module configuration cache
idmap_rfc2307(8)
Samba's idmap_rfc2307 Backend for Winbind
ifconfig(8)
configure a network interface
ifdown(8)
take a network interface down
ifquery(8)
parse interface configuration
ifup(8)
bring a network interface up
in.comsat(8)
biff server
in.ntalkd(8)
remote user communication server
in.talkd(8)
remote user communication server
inetd(8)
internet "super-server"
initramfs-tools(8)
an introduction to writing scripts for mkinitramfs
insmod(8)
Simple program to insert a module into the Linux Kernel
insserv(8)
boot sequence organizer using LSB init.d script depend...
install-keymap(8)
expand a given keymap and install it as boot-time keymap
install-sgmlcatalog(8)
maintain transitional SGML catalog
installkernel(8)
install a new kernel image
intro(8)
introduction to administration and privileged commands
invoke-rc.d(8)
executes System-V style init script actions
ip(8)
show / manipulate routing, devices, policy routing and...
ip-address(8)
protocol address management
ip-addrlabel(8)
protocol address label management
ip-l2tp(8)
L2TPv3 static unmanaged tunnel configuration
ip-link(8)
network device configuration
ip-maddress(8)
multicast addresses management
ip-monitor(8)
state monitoring
ip-mroute(8)
multicast routing cache management
ip-neighbour(8)
neighbour/arp tables management.
ip-netconf(8)
network configuration monitoring
ip-netns(8)
process network namespace management
ip-ntable(8)
neighbour table configuration
ip-route(8)
routing table management
ip-rule(8)
routing policy database management
ip-tcp_metrics(8)
management for TCP Metrics
ip-token(8)
tokenized interface identifier support
ip-tunnel(8)
tunnel configuration
ip-xfrm(8)
transform configuration
ip6tables(8)
administration tool for IPv4/IPv6 packet filtering and...
ip6tables-apply(8)
a safer way to update iptables remotely
ip6tables-restore(8)
Restore IPv6 Tables
ip6tables-save(8)
dump iptables rules to stdout
iptables(8)
administration tool for IPv4/IPv6 packet filtering and...
iptables-apply(8)
a safer way to update iptables remotely
iptables-extensions(8)
list of extensions in the standard iptables distrib...
iptables-restore(8)
Restore IP Tables
iptables-save(8)
dump iptables rules to stdout
isosize(8)
output the length of an iso9660 filesystem
ispell-autobuildhash(8)
Autobuilding the ispell hash file for some dicts

K

kbd-config(8)
Configure the console keyboard
kbdrate(8)
reset the keyboard repeat rate and delay time
keytab-lilo(8)
compile keytables files for use with LILO
killall5(8)
send a signal to all processes.
klogd(8)
The Swiss Army Knife of Embedded Linux
kmod(8)
Program to manage Linux Kernel modules

L

lastlog(8)
reports the most recent login of all users or of a giv...
ld-linux(8)
dynamic linker/loader
ld-linux.so(8)
dynamic linker/loader
ld.so(8)
dynamic linker/loader
ldattach(8)
attach a line discipline to a serial line
ldconfig(8)
configure dynamic linker run-time bindings
lilo(8)
install boot loader of LiLO
lilo-uuid-diskid(8)
convert boot / root options to diskid and uuid in lilo...
liloconfig(8)
create new lilo.conf file (with diskid and uuid)
lnstat(8)
unified linux network statistics
loadunimap(8)
load the kernel unicode-to-font mapping table
local(8postfix)
Postfix local mail delivery
locale-gen(8)
generates localisation files from templates
logrotate(8)
rotates, compresses, and mails system logs
logsave(8)
save the output of a command in a logfile
losetup(8)
set up and control loop devices
lowntfs-3g(8)
Third Generation Read/Write NTFS Driver
lsblk(8)
list block devices
lsdev(8)
display information about installed hardware
lsinitramfs(8)
list content of an initramfs image
lslocks(8)
list local system locks
lsmod(8)
Show the status of modules in the Linux Kernel
lsof(8)
list open files
lspci(8)
list all PCI devices
lsusb(8)
list USB devices
luksformat(8)
Create and format an encrypted LUKS device

M

maidag(8)
the mail delivery agent.
make-ssl-cert(8)
Debconf wrapper for openssl
MAKEDEV(8)
create devices
makeuserdb(8)
create /etc/courier/userdb
mandb(8)
create or update the manual page index caches
mapscrn(8)
load screen output mapping table
master(8postfix)
Postfix master process
memtester(8)
stress test to find memory subsystem faults.
mii-tool(8)
view, manipulate media-independent interface status
mk_modmap(8)
translate a Linux keytable file into an xmodmap file
mkdosfs(8)
create an MS-DOS filesystem under Linux
mke2fs(8)
create an ext2/ext3/ext4 filesystem
mkfs(8)
build a Linux filesystem
mkfs.bfs(8)
make an SCO bfs filesystem
mkfs.cramfs(8)
make compressed ROM file system
mkfs.ext2(8)
create an ext2/ext3/ext4 filesystem
mkfs.ext3(8)
create an ext2/ext3/ext4 filesystem
mkfs.ext4(8)
create an ext2/ext3/ext4 filesystem
mkfs.ext4dev(8)
create an ext2/ext3/ext4 filesystem
mkfs.fat(8)
create an MS-DOS filesystem under Linux
mkfs.minix(8)
make a Minix filesystem
mkfs.msdos(8)
create an MS-DOS filesystem under Linux
mkfs.ntfs(8)
create an NTFS file system
mkfs.vfat(8)
create an MS-DOS filesystem under Linux
mkhomedir_helper(8)
Helper binary that creates home directories
mkinitramfs(8)
low-level tool for generating an initramfs image
mklost+found(8)
create a lost+found directory on a mounted Linux secon...
mkntfs(8)
create an NTFS file system
mkrescue(8)
make rescue floppy or CD
mkswap(8)
set up a Linux swap area
modinfo(8)
Show information about a Linux Kernel module
modprobe(8)
Add and remove modules from the Linux Kernel
mount(8)
mount a filesystem
mount.davfs(8)
Mount a WebDAV resource in a directory
mount.fuse(8)
format and options for the fuse file systems
mount.lowntfs-3g(8)
Third Generation Read/Write NTFS Driver
mount.ntfs(8)
Third Generation Read/Write NTFS Driver
mount.ntfs-3g(8)
Third Generation Read/Write NTFS Driver

N

named-checkconf(8)
named configuration file syntax checking tool
named-checkzone(8)
zone file validity checking or converting tool
named-compilezone(8)
zone file validity checking or converting tool
nameif(8)
name network interfaces based on MAC addresses
netstat(8)
Print network connections, routing tables, interface s...
newusers(8)
update and create new users in batch
nfnl_osf(8)
load and unload os fingerprint database
nologin(8)
politely refuse a login
nstat(8)
network statistics tools.
ntalkd(8)
remote user communication server
ntfs-3g(8)
Third Generation Read/Write NTFS Driver
ntfs-3g.probe(8)
Probe an NTFS volume mountability
ntfs-3g.secaudit(8)
NTFS Security Data Auditing
ntfs-3g.usermap(8)
NTFS Building a User Mapping File
ntfscat(8)
print NTFS files and streams on the standard output
ntfsclone(8)
Efficiently clone, image, restore or rescue an NTFS
ntfscluster(8)
identify files in a specified region of an NTFS volume.
ntfscmp(8)
compare two NTFS filesystems and tell the differences
ntfscp(8)
copy file to an NTFS volume.
ntfsdecrypt(8)
decrypt or update NTFS files encrypted according to EFS
ntfsfallocate(8)
preallocate space to a file on an NTFS volume
ntfsfix(8)
fix common errors and force Windows to check NTFS
ntfsinfo(8)
dump a file's attributes
ntfslabel(8)
display/change the label on an ntfs file system
ntfsls(8)
list directory contents on an NTFS filesystem
ntfsprogs(8)
tools for doing neat things with NTFS
ntfsresize(8)
resize an NTFS filesystem without data loss
ntfstruncate(8)
truncate a file on an NTFS volume
ntfsundelete(8)
recover a deleted file from an NTFS volume.
ntfswipe(8)
overwrite unused space on an NTFS volume

O

oqmgr(8postfix)
old Postfix queue manager
orphaner(8)
frontend for deborphan

P

pam-auth-update(8)
manage PAM configuration using packaged profiles
pam_access(8)
PAM module for logdaemon style login access control
pam_cap(8)
PAM module to set inheritable capabilities
pam_ck_connector(8)
Register session with ConsoleKit
pam_debug(8)
PAM module to debug the PAM stack
pam_deny(8)
The locking-out PAM module
pam_echo(8)
PAM module for printing text messages
pam_env(8)
PAM module to set/unset environment variables
pam_exec(8)
PAM module which calls an external command
pam_faildelay(8)
Change the delay on failure per-application
pam_filter(8)
PAM filter module
pam_ftp(8)
PAM module for anonymous access module
pam_getenv(8)
get environment variables from /etc/environment
pam_group(8)
PAM module for group access
pam_issue(8)
PAM module to add issue file to user prompt
pam_keyinit(8)
Kernel session keyring initialiser module
pam_lastlog(8)
PAM module to display date of last login and perform i...
pam_limits(8)
PAM module to limit resources
pam_listfile(8)
deny or allow services based on an arbitrary file
pam_localuser(8)
require users to be listed in /etc/passwd
pam_loginuid(8)
Record user's login uid to the process attribute
pam_mail(8)
Inform about available mail
pam_mkhomedir(8)
PAM module to create users home directory
pam_motd(8)
Display the motd file
pam_namespace(8)
PAM module for configuring namespace for a session
pam_nologin(8)
Prevent non-root users from login
pam_permit(8)
The promiscuous module
pam_pwhistory(8)
PAM module to remember last passwords
pam_rhosts(8)
The rhosts PAM module
pam_rootok(8)
Gain only root access
pam_securetty(8)
Limit root login to special devices
pam_selinux(8)
PAM module to set the default security context
pam_sepermit(8)
PAM module to allow/deny login depending on SELinux en...
pam_shells(8)
PAM module to check for valid login shell
pam_succeed_if(8)
test account characteristics
pam_systemd(8)
Register user sessions in the systemd login manager
pam_tally(8)
The login counter (tallying) module
pam_tally2(8)
The login counter (tallying) module
pam_time(8)
PAM module for time control access
pam_timestamp(8)
Authenticate using cached successful authentication at...
pam_timestamp_check(8)
Check to see if the default timestamp is valid
pam_tty_audit(8)
Enable or disable TTY auditing for specified users
pam_umask(8)
PAM module to set the file mode creation mask
pam_unix(8)
Module for traditional password authentication
pam_userdb(8)
PAM module to authenticate against a db database
pam_warn(8)
PAM module which logs all PAM items if called
pam_wheel(8)
Only permit root access to members of group wheel
pam_xauth(8)
PAM module to forward xauth keys between users
paperconfig(8)
configure the system default paper size
parted(8)
(unknown subject)
partprobe(8)
inform the OS of partition table changes
partx(8)
tell the Linux kernel about the presence and numbering...
pcimodules(8)
List kernel driver modules available for all currently...
pickup(8postfix)
Postfix local mail pickup
pidof(8)
find the process ID of a running program.
ping(8)
send ICMP ECHO_REQUEST to network hosts
ping6(8)
send ICMP ECHO_REQUEST to network hosts
pipe(8postfix)
Postfix delivery to external command
pivot_root(8)
change the root filesystem
pklocalauthority(8)
PolicyKit Local Authority
plipconfig(8)
fine tune PLIP device parameters
pm-action(8)
Suspend or Hibernate your computer
pm-hibernate(8)
Suspend or Hibernate your computer
pm-powersave(8)
Put your computer into low power mode
pm-suspend(8)
Suspend or Hibernate your computer
pm-suspend-hybrid(8)
Suspend or Hibernate your computer
pmap_dump(8)
print a list of all registered RPC programs
pmap_set(8)
set the list of registered RPC programs
polkit(8)
Authorization Framework
polkitd(8)
PolicyKit daemon
pop3d(8)
the POP3 daemon.
portmap(8)
DARPA port to RPC program number mapper
postfix-add-filter(8)
add filter service to Postfix master.cf
postfix-add-policy(8)
add policy service to Postfix master.cf
postscreen(8postfix)
Postfix zombie blocker
poweroff(8)
Halt, power-off or reboot the machine
procinfo(8)
display system statistics gathered from /proc
proxymap(8postfix)
Postfix lookup table proxy server
pw2userdb(8)
create /etc/courier/userdb
pwck(8)
verify integrity of password files
pwconv(8)
convert to and from shadow passwords and groups
pwunconv(8)
convert to and from shadow passwords and groups

Q

qmgr(8postfix)
Postfix queue manager
qmqpd(8postfix)
Postfix QMQP server
quot(8)
summarize filesystem ownership
quota_nld(8)
quota netlink message daemon
quotacheck(8)
scan a filesystem for disk usage, create, check and re...
quotaoff(8)
turn filesystem quotas on and off
quotaon(8)
turn filesystem quotas on and off
quotastats(8)
Program to query quota statistics

R

rarp(8)
manipulate the system RARP table
raw(8)
bind a Linux raw character device
readprofile(8)
read kernel profiling information
reboot(8)
Halt, power-off or reboot the machine
remove-default-ispell(8)
remove default ispell dictionary
remove-default-wordlist(8)
remove default wordlist
remove-shell(8)
remove shells from the list of valid login shells
repquota(8)
summarize quotas for a filesystem
resize2fs(8)
ext2/ext3/ext4 file system resizer
resizecons(8)
change kernel idea of the console size
resizepart(8)
simple wrapper around the "resize partition" ioctl
resolvconf(8)
manage nameserver information
rmail(8)
handle remote mail received via uucp
rmmod(8)
Simple program to remove a module from the Linux Kernel
rmt(8)
remote magtape protocol module
rmt-tar(8)
remote magtape protocol module
rndc(8)
name server control utility
rndc-confgen(8)
rndc key generation tool
rotatelogs(8)
Piped logging program to rotate Apache logs
route(8)
show / manipulate the IP routing table
routef(8)
flush routes
routel(8)
list routes with pretty output format
rpc.rquotad(8)
remote quota server
rquotad(8)
remote quota server
rtacct(8)
network statistics tools.
rtcwake(8)
enter a system sleep state until specified wakeup time
rtmon(8)
listens to and monitors RTnetlink
rtmpgw(8)
RTMP streaming media gateway
rtstat(8)
unified linux network statistics
run-parts(8)
run scripts or programs in a directory
runlevel(8)
Print previous and current SysV runlevel

S

safe_finger(8)
finger client wrapper that protects against nasty stuf...
sasl-sample-client(8)
Sample client program for demonstrating and testing ...
sasl-sample-server(8)
Sample server program for demonstrating and testing ...
saslauthd(8)
sasl authentication server
sasldblistusers2(8)
list users in sasldb
saslpasswd2(8)
set a user's sasl password
saslpluginviewer(8)
list loadable SASL plugins and their properties
savelog(8)
save a log file
scache(8postfix)
Postfix shared connection cache server
select-default-ispell(8)
select default ispell dictionary
select-default-wordlist(8)
select default wordlist
service(8)
run a System V init script
setarch(8)
change reported architecture in new program environmen...
setcap(8)
set file capabilities
setfont(8)
load EGA/VGA console screen font
setkeycodes(8)
load kernel scancode-to-keycode mapping table entries
setlogcons(8)
Send kernel messages to console N
setpci(8)
configure PCI devices
setquota(8)
set disk quotas
setvesablank(8)
Turn VESA screen blanking on or off
setvtrgb(8)
set the virtual terminal RGB colors
sfdisk(8)
partition table manipulator for Linux
sftp-server(8)
SFTP server subsystem
sgdisk(8)
Command-line GUID partition table (GPT) manipulator fo...
shadowconfig(8)
toggle shadow passwords on and off
sharedindexinstall(8)
Installs the shared index files
sharedindexsplit(8)
Splits a shared index file into multiple ones
showconsolefont(8)
Show the current EGA/VGA console screen font
showq(8postfix)
list the Postfix mail queue
shutdown(8)
Halt, power-off or reboot the machine
slattach(8)
attach a network interface to a serial line
sln(8)
create symbolic links
smtp(8postfix)
Postfix SMTP+LMTP client
smtpd(8postfix)
Postfix SMTP server
socklist(8)
display list of open sockets
spawn(8postfix)
Postfix external command spawner
split-logfile(8)
Split combined virtual hosts access log into one file ...
ss(8)
another utility to investigate sockets
ssh-keysign(8)
ssh helper program for host-based authentication
ssh-pkcs11-helper(8)
ssh-agent helper program for PKCS#11 support
sshd(8)
OpenSSH SSH daemon
start-stop-daemon(8)
start and stop system daemon programs
startpar(8)
start runlevel scripts in parallel
startpar-upstart-inject(8)
notify startpar of started/stopped upstart jobs
sudo(8)
execute a command as another user
sudo_plugin(8)
Sudo Plugin API
sudoedit(8)
execute a command as another user
sudoreplay(8)
replay sudo session logs
sulogin(8)
Single-user login
swaplabel(8)
print or change the label or UUID of a swap area
swapoff(8)
enable/disable devices and files for paging and swapping
swapon(8)
enable/disable devices and files for paging and swapping
switch_root(8)
switch to another filesystem as the root of the mount ...
sysctl(8)
configure kernel parameters at runtime
syslogd(8)
The Swiss Army Knife of Embedded Linux
systemd-activate(8)
Test socket activation of daemons
systemd-ask-password-console.path(8)
Query the user for system passwords o...
systemd-ask-password-console.service(8)
Query the user for system password...
systemd-ask-password-wall.path(8)
Query the user for system passwords on t...
systemd-ask-password-wall.service(8)
Query the user for system passwords o...
systemd-backlight(8)
Load and save the display backlight brightness at boo...
systemd-backlight@.service(8)
Load and save the display backlight brightne...
systemd-binfmt(8)
Configure additional binary formats for executables at...
systemd-binfmt.service(8)
Configure additional binary formats for executab...
systemd-cryptsetup(8)
Full disk decryption logic
systemd-cryptsetup-generator(8)
Unit generator for /etc/crypttab
systemd-cryptsetup@.service(8)
Full disk decryption logic
systemd-debug-generator(8)
Generator for enabling a runtime debug shell an...
systemd-efi-boot-generator(8)
Generator for automatically mounting the EFI...
systemd-fsck(8)
File system checker logic
systemd-fsck-root.service(8)
File system checker logic
systemd-fsck@.service(8)
File system checker logic
systemd-fstab-generator(8)
Unit generator for /etc/fstab
systemd-getty-generator(8)
Generator for enabling getty instances on the c...
systemd-gpt-auto-generator(8)
Generator for automatically discovering and ...
systemd-halt.service(8)
System shutdown logic
systemd-hibernate.service(8)
System sleep state logic
systemd-hostnamed(8)
Host name bus mechanism
systemd-hostnamed.service(8)
Host name bus mechanism
systemd-hybrid-sleep.service(8)
System sleep state logic
systemd-initctl(8)
/dev/initctl compatibility
systemd-initctl.service(8)
/dev/initctl compatibility
systemd-initctl.socket(8)
/dev/initctl compatibility
systemd-journald(8)
Journal service
systemd-journald-dev-log.socket(8)
Journal service
systemd-journald.service(8)
Journal service
systemd-journald.socket(8)
Journal service
systemd-kexec.service(8)
System shutdown logic
systemd-localed(8)
Locale bus mechanism
systemd-localed.service(8)
Locale bus mechanism
systemd-logind(8)
Login manager
systemd-logind.service(8)
Login manager
systemd-machined(8)
Virtual machine and container registration manager
systemd-machined.service(8)
Virtual machine and container registration man...
systemd-modules-load(8)
Configure kernel modules to load at boot
systemd-modules-load.service(8)
Configure kernel modules to load at boot
systemd-networkd(8)
Network manager
systemd-networkd-wait-online(8)
Wait for network to come online
systemd-networkd-wait-online.service(8)
Wait for network to come online
systemd-networkd.service(8)
Network manager
systemd-poweroff.service(8)
System shutdown logic
systemd-quotacheck(8)
File system quota checker logic
systemd-quotacheck.service(8)
File system quota checker logic
systemd-random-seed(8)
Load and save the system random seed at boot and sh...
systemd-random-seed.service(8)
Load and save the system random seed at boo...
systemd-readahead(8)
Disk read ahead logic
systemd-readahead-collect.service(8)
Disk read ahead logic
systemd-readahead-done.service(8)
Disk read ahead logic
systemd-readahead-done.timer(8)
Disk read ahead logic
systemd-readahead-replay.service(8)
Disk read ahead logic
systemd-reboot.service(8)
System shutdown logic
systemd-remount-fs(8)
Remount root and kernel file systems
systemd-remount-fs.service(8)
Remount root and kernel file systems
systemd-resolved(8)
Network Name Resolution manager
systemd-resolved.service(8)
Network Name Resolution manager
systemd-rfkill(8)
Load and save the RF kill switch state at boot and shu...
systemd-rfkill@.service(8)
Load and save the RF kill switch state at boot ...
systemd-shutdown(8)
System shutdown logic
systemd-shutdownd(8)
Scheduled shutdown service
systemd-shutdownd.service(8)
Scheduled shutdown service
systemd-shutdownd.socket(8)
Scheduled shutdown service
systemd-sleep(8)
System sleep state logic
systemd-socket-proxyd(8)
Bidirectionally proxy local sockets to another (p...
systemd-suspend.service(8)
System sleep state logic
systemd-sysctl(8)
Configure kernel parameters at boot
systemd-sysctl.service(8)
Configure kernel parameters at boot
systemd-system-update-generator(8)
Generator for redirecting boot to offli...
systemd-sysusers(8)
Allocate system users and groups
systemd-sysusers.service(8)
Allocate system users and groups
systemd-timedated(8)
Time and date bus mechanism
systemd-timedated.service(8)
Time and date bus mechanism
systemd-timesyncd(8)
Network Time Synchronization
systemd-timesyncd.service(8)
Network Time Synchronization
systemd-tmpfiles(8)
Creates, deletes and cleans up volatile and temporary ...
systemd-tmpfiles-clean.service(8)
Creates, deletes and cleans up volatile ...
systemd-tmpfiles-clean.timer(8)
Creates, deletes and cleans up volatile an...
systemd-tmpfiles-setup-dev.service(8)
Creates, deletes and cleans up volat...
systemd-tmpfiles-setup.service(8)
Creates, deletes and cleans up volatile ...
systemd-udevd(8)
Device event managing daemon
systemd-udevd-control.socket(8)
Device event managing daemon
systemd-udevd-kernel.socket(8)
Device event managing daemon
systemd-udevd.service(8)
Device event managing daemon
systemd-update-utmp(8)
Write audit and utmp updates at bootup, runlevel ch...
systemd-update-utmp-runlevel.service(8)
Write audit and utmp updates at bo...
systemd-update-utmp.service(8)
Write audit and utmp updates at bootup, run...
systemd-user-sessions(8)
Permit user logins after boot, prohibit user logi...
systemd-user-sessions.service(8)
Permit user logins after boot, prohibit u...

T

talkd(8)
remote user communication server
tc(8)
show / manipulate traffic control settings
tc-bfifo(8)
Packet limited First In, First Out queue
tc-cbq(8)
Class Based Queueing
tc-cbq-details(8)
Class Based Queueing
tc-choke(8)
choose and keep scheduler
tc-codel(8)
Controlled-Delay Active Queue Management algorithm
tc-drr(8)
deficit round robin scheduler
tc-ematch(8)
extended matches for use with "basic" or "flow" filters
tc-fq_codel(8)
Fair Queuing (FQ) with Controlled Delay (CoDel)
tc-hfsc(8)
Hierarchical Fair Service Curve's control under linux
tc-htb(8)
Hierarchy Token Bucket
tc-mqprio(8)
Multiqueue Priority Qdisc (Offloaded Hardware QOS)
tc-netem(8)
Network Emulator
tc-pfifo(8)
Packet limited First In, First Out queue
tc-pfifo_fast(8)
three-band first in, first out queue
tc-pie(8)
Proportional Integral controller-Enhanced AQM algorithm
tc-prio(8)
Priority qdisc
tc-red(8)
Random Early Detection
tc-sfb(8)
Stochastic Fair Blue
tc-sfq(8)
Stochastic Fairness Queueing
tc-stab(8)
Generic size table manipulations
tc-tbf(8)
Token Bucket Filter
tcpd(8)
access control facility for internet services
tcpdchk(8)
tcp wrapper configuration checker
tcpdmatch(8)
tcp wrapper oracle
tcpdump(8)
dump traffic on a network
tcptraceroute(8)
print the route packets trace to network host
tcptraceroute.db(8)
print the route packets trace to network host
telinit(8)
Change SysV runlevel
testsaslauthd(8)
test utility for the SASL authentication server
tlsmgr(8postfix)
Postfix TLS session cache and PRNG manager
tlsproxy(8postfix)
Postfix TLS proxy
trace(8postfix)
Postfix delivery status reports
tracepath(8)
traces path to a network host discovering MTU along th...
tracepath6(8)
traces path to a network host discovering MTU along th...
traceroute6(8)
traces path to a network host
traceroute6.iputils(8)
traces path to a network host
trivial-rewrite(8postfix)
Postfix address rewriting and resolving daemon
try-from(8)
test program for the tcp_wrapper
tunctl(8)
create and manage persistent TUN/TAP interfaces
tune2fs(8)
adjust tunable filesystem parameters on ext2/ext3/ext4...
tunelp(8)
set various parameters for the lp device
tzselect(8)
select a timezone

U

udevadm(8)
udev management tool
udevd(8)
Device event managing daemon
udisks(8)
Disk Manager
udisks-daemon(8)
udisks Daemon
udisksd(8)
The udisks system daemon
umount(8)
unmount file systems
umount.davfs(8)
Umount-helper to unmount a davfs2 file system
unattended-upgrade(8)
automatic installation of security (and other) upgrades
unix_chkpwd(8)
Helper binary that verifies the password of the curren...
unix_update(8)
Helper binary that updates the password of a given user
update-alternatives(8)
maintain symbolic links determining default commands
update-ca-certificates(8)
update /etc/ssl/certs and certificates.crt
update-catalog(8)
create or update entry in SGML catalog file
update-cracklib(8)
Regenerate cracklib dictionary
update-default-aspell(8)
rebuild aspell database and emacsen stuff
update-default-ispell(8)
update default ispell dictionary
update-default-wordlist(8)
update default wordlist
update-dictcommon-aspell(8)
rebuild aspell database and emacsen stuff
update-dictcommon-hunspell(8)
rebuild hunspell database and emacsen stuff
update-icon-caches(8)
Update wrapper script for the icon caches
update-inetd(8)
create, remove, enable or disable entry in /etc/inetd....
update-info-dir(8)
update or create index file from all installed info fi...
update-initramfs(8)
generate an initramfs image
update-lilo(8)
execute lilo in special debconf mode
update-locale(8)
Modify global locale settings
update-mime(8)
create or update MIME information
update-passwd(8)
safely update /etc/passwd, /etc/shadow and /etc/group
update-pciids(8)
download new version of the PCI ID list
update-perl-sax-parsers(8)
(de)register Perl SAX parser modules
update-rc.d(8)
install and remove System-V style init script links
update-usbids(8)
download new version of the USB ID list
update-xmlcatalog(8)
maintain XML catalog files
updatedb(8)
update a database for mlocate
updatedb.conf(5)
a configuration file for updatedb(8)
upgrade-system(8)
Command for upgrading and sanitizing a Debian system
upgrade-system.conf(5)
Configuration file for upgrade-system (8)
useradd(8)
create a new user or update default new user information
userdb(8)
manipulate /etc/courier/userdb
userdbpw(8)
create an encrypted password
userdel(8)
delete a user account and related files
usermod(8)
modify a user account
uuidd(8)
UUID generation daemon

V

validlocale(8)
Test if a given locale is available
vcstime(8)
Show time in upper right hand corner of the console sc...
vde_tunctl(8)
create and manage persistent TUN/TAP interfaces
verify(8postfix)
Postfix address verification server
veritysetup(8)
manage dm-verity (block level verification) volumes
vigr(8)
edit the password, group, shadow-password or shadow-gr...
vipw(8)
edit the password, group, shadow-password or shadow-gr...
virtual(8postfix)
Postfix virtual domain mail delivery agent
visudo(8)
edit the sudoers file
vmstat(8)
Report virtual memory statistics

W

warnquota(8)
send mail to users over quota
wdctl(8)
show hardware watchdog status
wipefs(8)
wipe a signature from a device

X

x86_64(8)
change reported architecture in new program environmen...
xqmstats(8)
Display XFS quota manager statistics from /proc
xtables-multi(8)
xtables multi-link binary for netfilter's iptables and...

Z

zdump(8)
timezone dumper
zic(8)
timezone compiler

A B C D E F G H I K L M N O P Q R S T U V W X Z