Linux Commands Examples

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network

netcat : NC(1) BSD General Commands Manual NC(1) nc — arbitrary TCP and UDP connections and listens
ping : 6 send ICMP ECHO_REQUEST to network hosts
nmcli : – commandline tool for controlling NetworkManager
telnet : user interface to the TELNET protocol
openssl : OpenSSL command line tool
sftp : secure file transfer program
...

shell

busybox : The Swiss Army Knife of Embedded Linux
usermod : modify a user account
which : locate a command
watch : execute a program periodically, showing output fullscreen
locale : specific information.
startpar : start runlevel scripts in parallel
...

filesystem

resize2fs : ext2/ext3/ext4 file system resizer
chown : change file owner and group
mkfs : build a Linux filesystem
passwd : change user password
rename : renames multiple files
fsck : check and repair a Linux filesystem
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programming

strace : trace system calls and signals
MAKEDEV : create devices
busybox : The Swiss Army Knife of Embedded Linux
startpar : start runlevel scripts in parallel
xmllint : command line XML tool
kerneloops : program to collect and submit kernel oopses to kerneloops.org
...

file

su : change user ID or become superuser
mkfs.ext2 : create an ext2/ext3/ext4 filesystem
egrep : , fgrep, rgrep print lines matching a pattern
hexdump : , hd ASCII, decimal, hexadecimal, octal dump
unlink : call the unlink function to remove the specified file
fgrep : , rgrep print lines matching a pattern
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graphic manipulation

gimp : an image manipulation and paint program.
start-stop-daemon : start and stop system daemon programs
zeisstopnm : convert a Zeiss confocal file into a portable anymap
pamdice : slice a Netpbm image into many horizontally and/or vertically
cweave : translate CWEB to C and/or TeX
nohup : run a command immune to hangups, with output to a non-tty
...

database

mysqlimport : a data import program
mysqld_safe : MySQL server startup script
dialog : display dialog boxes from shell scripts
pm-powersave : Put your computer into low power mode
MAKEDEV : create devices
update-grub : stub for grub-mkconfig
...

X

xfreerdp : FreeRDP X11 client
gnome-terminal : is a terminal emulation application.
file-roller : archive manager for GNOME
bluez-test-discovery :
setxkbmap : set the keyboard using the X Keyboard Extension
airtun-ng : a virtual tunnel interface creator for aircrack-ng
...

printer

ghostscript : Ghostscript (PostScript and PDF language interpreter and previewer)
nohup : run a command immune to hangups, with output to a non-tty
ppmtolj : convert a portable pixmap to an HP LaserJet PCL 5 Color file
foomatic-datafile : Generate a PPD file for a given printer/driver combo
ps2ps : , eps2eps Ghostscript PostScript "distiller"
loadunimap : load the kernel unicode-to-font mapping table
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package management

python2.7 : an interpreted, interactive, object-oriented programming language
dh_installdeb : install files into the DEBIAN directory
update-java-alternatives : update alternatives for jre/sdk installations
airtun-ng : a virtual tunnel interface creator for aircrack-ng
update-grub : stub for grub-mkconfig
pk2bm : create a bitmap from a TeX pkfont
...

text manipulation

bluez-simple-service :
unwrapdiff : demangle word-wrapped patches
fmtutil-sys : utility for maintaining TeX format files system-wide
loadunimap : load the kernel unicode-to-font mapping table
awk : pattern scanning and processing language
dvdrip : GUI for copying DVDs
...

privacy

cweave : translate CWEB to C and/or TeX
ssh-add : adds private key identities to the authentication agent
iptables-apply : a safer way to update iptables remotely
airtun-ng : a virtual tunnel interface creator for aircrack-ng
update-grub : stub for grub-mkconfig
avconv : avconv video converter
...

sound manipulation

gst-launch-1.0 : build and run a GStreamer pipeline
audacity : Graphical cross-platform audio editor
spd-conf : A simple tool for basic configuration of Speech Dispatcher and problem diagnostics
nohup : run a command immune to hangups, with output to a non-tty
cweave : translate CWEB to C and/or TeX
jack_samplerate : JACK toolkit client to print current samplerate
...

file compression

iconv : Convert encoding of given files from one encoding to another
ogmdemux : Extract streams from OGG/OGM files into separate files
znew : recompress .Z files to .gz files
loadunimap : load the kernel unicode-to-font mapping table
dvdrip : GUI for copying DVDs
sha1sum : compute and check SHA1 message digest
...

Access Control List

su : change user ID or become superuser
uic :
start-stop-daemon : start and stop system daemon programs
nohup : run a command immune to hangups, with output to a non-tty
sha1sum : compute and check SHA1 message digest
loadunimap : load the kernel unicode-to-font mapping table
...

text editor

airtun-ng : a virtual tunnel interface creator for aircrack-ng
2to3-3.2 : Python2 to Python3 converter
fmtutil-sys : utility for maintaining TeX format files system-wide
cweave : translate CWEB to C and/or TeX
cpp : The C Preprocessor
kerneloops : program to collect and submit kernel oopses to kerneloops.org
...

font

kerneloops : program to collect and submit kernel oopses to kerneloops.org
loadunimap : load the kernel unicode-to-font mapping table
afm2tfm : convert Adobe font metrics to TeX font metrics
sha1sum : compute and check SHA1 message digest
nohup : run a command immune to hangups, with output to a non-tty
start-stop-daemon : start and stop system daemon programs
...

boot settings

sha1sum : compute and check SHA1 message digest
gst-launch-1.0 : build and run a GStreamer pipeline
erb1.8 : an embedded Ruby language interpreter
start-stop-daemon : start and stop system daemon programs
showkey : examine the codes sent by the keyboard
dbus-send : Send a message to a message bus
...

Media Player

cweave : translate CWEB to C and/or TeX
avifix : fix header of AVI-file
airtun-ng : a virtual tunnel interface creator for aircrack-ng
loadunimap : load the kernel unicode-to-font mapping table
iconv : Convert encoding of given files from one encoding to another
python2.7 : an interpreted, interactive, object-oriented programming language
...

mail

cweave : translate CWEB to C and/or TeX
find : search for files in a directory hierarchy
update-grub : stub for grub-mkconfig
sha1sum : compute and check SHA1 message digest
logrotate : rotates, compresses, and mails system logs
loadunimap : load the kernel unicode-to-font mapping table
...

virtualization

iconv : Convert encoding of given files from one encoding to another
busybox : The Swiss Army Knife of Embedded Linux
loadunimap : load the kernel unicode-to-font mapping table
sha1sum : compute and check SHA1 message digest
innochecksum : offline InnoDB file checksum utility
start-stop-daemon : start and stop system daemon programs
...

webserver

a2ensite : enable or disable an apache2 site / virtual host
spd-conf : A simple tool for basic configuration of Speech Dispatcher and problem diagnostics
gst-launch-1.0 : build and run a GStreamer pipeline
cweave : translate CWEB to C and/or TeX
airtun-ng : a virtual tunnel interface creator for aircrack-ng
update-grub : stub for grub-mkconfig
...

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