Alphabetical Directory of Linux Commands

This directory of Linux commands is from Linux in a Nutshell, 5th Edition.

Click on any of the 687 commands below to get a description and list of available options.

read it online on Safari Bookshelf.


[a] [b] [c] [d] [e] [f] [g] [h] [i] [j] [k] [l] [m]
[n] [o] [p] [q] [r] [s] [t] [u] [v] [w] [x] [y] [z]

a

accept
access
aclocal
aconnect
acpi

acpi_available
acpid
addr2line
addresses
agetty
alsactl
amidi
amixer
anacron

aplay
aplaymidi
apm
apmd
apropos
apt
ar
arch
arecord

arecordmidi
arp
as
at
atd
atq
atrm
audiosend
aumix

autoconf
autoheader
automake
autoreconf
autoscan
autoupdate

b

badblocks
banner

basename
bash
batch
bc
biff
bison
bzcmp
bzdiff
bzgrep

bzip2
bzless
bzmore

c

c++
c++filt
cal
cardctl
cardmgr

cat
cc
cdda2wav
cdparanoia
cdrdao
cdrecord
cfdisk
chage
chattr

chfn
chgrp
chkconfig
chmod
chown
chpasswd
chroot
chrt
chsh

chvt
cksum
clear
cmp
col
colcrt
colrm
column
comm

compress
cp
cpio
cpp
crond
crontab
csplit
ctags
cupsd

cut
cvs

d

date
dd
deallocvt
debugfs
depmod
devdump

df
diff
diff3
dig
dir
dircolors
dirname
disable
dlpsh

dmesg
dnsdomainname
dnssec-keygen
dnssec-makekeyset
dnssec-signkey

dnssec-signzone

doexec
domainname
dosfsck
du
dump
dumpe2fs
dumpkeys

e

e2fsck

e2image
e2label
echo
edquota
egrep
eject
elvtune
emacs
enable

env
envsubst
esd
esd-config
esdcat
esdctl
esddsp
esdmon
esdplay

esdrec
esdsample
etags
ex
expand
expr

f

factor
false

fc-cache
fc-list
fdformat
fdisk
fetchmail
fgconsole
fgrep
file
find

finger
fingerd
flex
fmt
fold
formail
free
fsck
ftp

ftpd
fuser

g

g++
gawk
gcc
gdb
getent
getkeycodes

gpasswd
gpg
gpgsplit
gpgv
gpm
gprof
grep
groff
groffer

groupadd
groupdel
groupmod
groups
grpck
grpconv
gs
gunzip
gzexe

gzip

h

halt
hdparm
head
hexdump
host
hostid
hostname

htdigest
hwclock

i

iconv
id
ifconfig
imapd
inetd
info

init
insmod
install
ipcrm
ipcs
iptables
iptables-restore
iptables-save
isodump

isoinfo
isosize
isovfy
ispell

j

join

k

kbd_mode

kbdrate
kernelversion
kill
killall
killall5
klogd
kudzu

l

last

lastb
lastlog
ld
ldconfig
ldd
less
lesskey
lftp
lftpget

link
ln
loadkeys
locale
locate
lockfile
logger
login
logname

logrotate
look
losetup
lpadmin
lpinfo
lpmove
lpq
lpr
lprm

lpstat
ls
lsattr
lspci
lsmod
lsusb

m

m4
mail

mailq
mailstats
mailto
make
makedbm
makemap
man
manpath
mattrib

mbadblocks
mcat
mcd
mcopy
md5sum
mdel, mdeltree
mdir
mdu
merge

mesg
metamail
metasend
mformat
mimencode
minfo
mkdir
mkdosfs
mke2fs

mkfifo
mkfs
mkfs.ext3
mkisofs
mklost+found
mkmanifest
mknod
mkraid
mkswap

mktemp
mlabel
mmd
mmount
mmove
modinfo
modprobe
more
mount

mountd
mpartition
mpg123
mpg321
mrd
mren
mshowfat
mt
mtools

mtoolstest
mtype
mv
mzip

n

named
namei
nameif
netstat

newaliases
newgrp
newusers
nfsd
nfsstat
nice
nm
nohup
nslookup

nsupdate

o

objcopy
objdump
od
openvt

p

passwd

paste
patch
pathchk
perl
pidof
ping
pinky
pmap
portmap

poweroff
pppd
pr
praliases
printenv
printf
ps
ptx
pwck

pwconv
pwd
python

q

quota
quotacheck
quotaon
quotaoff
quotastats

r

raidstart
ramsize
ranlib
rarpd
rcp
rdate
rdev
rdist

rdistd
readcd
readelf
readlink
reboot
reject
rename
renice
repquota

reset
resize2fs
restore
rev
rexec
rexecd
richtext
rlogin
rlogind

rm
rmail
rmdir
rmmod
rndc
rootflags
route
routed
rpcgen

rpcinfo
rpm
rsh
rshd
rsync
runlevel
rup
ruptime
rusers

rusersd
rwall
rwho
rwhod

s

sane-find-scanner
scanadf
scanimage
scp

screen
script
sdiff

sed
sendmail
sensors
seq
setfdprm
setkeycodes

setleds
setmetamode
setquota
setsid
setterm
sftp
sh
sha1sum
showkey

showmount
shred
shutdown
size
skill
slabtop
slattach
sleep
slocate

snice
sort
split
ssh
ssh-add
ssh-agent
ssh-keygen
ssh-keyscan
sshd

stat
statd
strace
strfile

strings
strip

stty
su
sudo
sum
swapoff
swapon
sync
sysctl
sysklogd

syslogd

t

tac
tail
tailf
talk
talkd
tar
taskset

tcpd
tcpdump
tcpslice
tee
telinit
telnet
telnetd
test
tftp

tftpd
time
tload
tmpwatch
top
touch
tr
tracepath
traceroute

troff
true
tset
tsort
tty
tune2fs
tunelp

u

ul

umount
uname
uncompress
unexpand
unicode_start
unicode_stop
uniq
uptime
useradd

userdel
usermod
users
usleep
uudecode
uuencode
uuidgen

v

vdir

vi
vidmode
vim
vmstat
volname

w

w
wall
warnquota

watch
wc
wget
whatis
whereis
which
who
whoami
whois

write

x

xargs
xinetd

y

yacc
yes
ypbind
ypcat
ypinit

ypmatch
yppasswd
yppasswdd
yppoll
yppush
ypserv
ypset
yptest
ypwhich

ypxfr

z

zcat
zcmp
zdiff
zdump
zforce
zgrep
zic

zless
zmore
znew

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