Linux Command – A

accept
access
aclocal
aconnect
acpi
acpi_available
acpid
addr2line
addresses
agetty
alias

alsactl
amidi
amixer
anacron
aplay
aplaymidi
apm
apmd
apropos
apt
apt-get

aptitude
ar
arch
arecord
arecordmidi
arp
as
aspell
at
atd
atq

atrm
audiosend
aumix
autoconf
autoheader
automake
autoreconf
autoscan
autoupdate
awk

Linux Command – B

badblocks
banner
basename
bash
batch

bc
bg
biff
bind
bison

break
builtin
bzcmp
bzdiff

bzgrep
bzip2
bzless
bzmore

Linux Command – C

cal
cardctl
cardmgr
case
cat
cc
cd
cdda2wav
cdparanoia
cdrdao
cdrecord
cfdisk

chage
chattr
chdir
chfn
chgrp
chkconfig
chmod
chown
chpasswd
chroot
chrt
chsh

chvt
cksum
clear
cmp
col
colcrt
colrm
column
comm
command
compress
continue

cp
cpio
cpp
cron
crond
crontab
csplit
ctags
cupsd
curl
cut
cvs

Linux Command – D

date
dc
dd
ddrescue
deallocvt
debugfs
declare
depmod

devdump
df
diff
diff3
dig
dir
dircolors
dirname

dirs
disable
dlpsh
dmesg
dnsdomainname
dnssec-keygen
dnssec-makekeyset
dnssec-signkey

dnssec-signzone
doexec
domainname
dosfsck
du
dump
dumpe2fs
dumpkeys

Linux Command – E

e2fsck
e2image
e2label
echo
ed
edquota
egrep
eject

elvtune
emacs
enable
env
envsubst
esd
esd-config
esdcat

esdctl
esddsp
esdmon
esdplay
esdrec
esdsample
etags
ethtool

eval
ex
exec
exit
expand
expect
export
expr

Linux Command – F

factor
false
fc-cache
fc-list
fdformat
fdisk
fetchmail

fg
fgconsole
fgrep
file
find
finger
fingerd

flex
fmt
fold
for
formail
format

free
fsck
ftp
ftpd
function
fuser

Linux Command – G

g++
gawk
gcc
gdb
getent
getkeycodes
getopts

gpasswd
gpg
gpgsplit
gpgv
gpm
gprof
grep

groff
groffer
groupadd
groupdel
groupmod
groups

grpck
grpconv
gs
gunzip
gzexe
gzip

Linux Command – H

halt
hash
hdparm
head

help
hexdump
history

htdigest
htop
hwclock

Linux Command – I

iconv
id
if
ifconfig
ifdown
ifup
imapd

import
inetd
info
init
insmod
install

iostat
ip
ipcrm
ipcs
iptables
iptables-restore

iptables-save
isodump
isoinfo
isosize
isovfy
ispell

Linux Command – J

jobs

Linux Command – K

kbd_mode
kbdrate

killall5
klogd

kudzu

Linux Command – L

last
lastb
lastlog
ld
ldconfig
ldd
less
lesskey
let
lftp
lftpget

link
ln
loadkeys
local
locale
locate
lockfile
logger
login
logname
logout

logrotate
look
losetup
lpadmin
lpc
lpinfo
lpmove
lpq
lpr
lprint
lprintd

lprintq
lprm
lpstat
ls
lsattr
lsblk
lsmod
lsof
lspci
lsusb

Linux Command – 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
mmv
modinfo
modprobe
more
most

mount
mountd
mpartition
mpg123
mpg321
mrd
mren
mshowfat
mt
mtools
mtoolstest
mtr
mtype
mv
mzip

Linux Command – N

named
namei
nameif
nc
netstat

newaliases
newgrp
newusers
nfsd

nfsstat
nice
nl
nm

nohup
notify-send
nslookup
nsupdate

Linux Command – O

od
op

open

openvt

Linux Command – P

passwd
paste
patch
pathchk
perl
pgrep
pidof

ping
pinky
pkill
pmap
popd
portmap
poweroff

pppd
pr
praliases
printcap
printenv
printf
ps

ptx
pushd
pv
pwck
pwconv
pwd

Linux Command – Q

quota
quotacheck

quotactl
quotaoff

quotaon

quotastats

Linux Command – R

raidstart
ram
ramsize
ranlib
rar
rarpd
rcp
rdate
rdev
rdist
rdistd
read
readarray
readcd

readelf
readlink
readonly
reboot
reject
remsync
rename
renice
repquota
reset
resize2fs
restore
return
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

Linux Command – S

sane-find-scanner
scanadf
scanimage
scp
screen
script
sdiff
sed
select
sendmail
sensors
seq
set
setfdprm
setkeycodes
setleds

setmetamode
setquota
setsid
setterm
sftp
sh
sha1sum
shift
shopt
showkey
showmount
shred
shutdown
size
skill
slabtop

slattach
sleep
slocate
snice
sort
source
split
ss
ssh
ssh-add
ssh-agent
ssh-keygen
ssh-keyscan
sshd
stat
statd

strace
strfile
strings
strip
stty
su
sudo
sum
suspend
swapoff
swapon
symlink
sync
sysctl
sysklogd
syslogd

Linux Command – T

tac
tail
tailf
talk
talkd
tar
taskset
tcpd
tcpdump
tcpslice

tee
telinit
telnet
telnetd
test
tftp
tftpd
time
timeout

times
tload
tmpwatch
top
touch
tput
tr
tracepath
traceroute

trap
troff
TRUE
tset
tsort
tty
tune2fs
tunelp
type

Linux Command – U

ul
ulimit
umask
umount
unalias
uname
uncompress

unexpand
unicode_start
unicode_stop
uniq
units
unrar

unset
unshar
until
uptime
useradd
userdel

usermod
users
usleep
uudecode
uuencode
uuidgen

Linux Command – V

vdir
vi

vidmode
vim

vmstat

volname

Linux Command – W

w
wait
wall
warnquota

watch
wc
wget
whatis

whereis
which
while
who

whoami
whois
write

Linux Command – X

xdg-open

xz

Linux Command – Y

yacc
yes
ypbind
ypcat

ypinit
ypmatch
yppasswd
yppasswdd

yppoll
yppush
ypserv
ypset

yptest
ypwhich
ypxfr

Linux Command – Z

zcat
zcmp
zdiff

zic
zip
zless