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
sftp : secure file transfer program
openssl : OpenSSL command line tool
...

shell

busybox : The Swiss Army Knife of Embedded Linux
startpar : start runlevel scripts in parallel
xargs : build and execute command lines from standard input
gnome-terminal : is a terminal emulation application.
usermod : modify a user account
which : locate a command
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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
startpar : start runlevel scripts in parallel
MAKEDEV : create devices
busybox : The Swiss Army Knife of Embedded Linux
ipcmk : create various ipc resources
xargs : build and execute command lines from standard input
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file

mkfs.ext2 : create an ext2/ext3/ext4 filesystem
egrep : , fgrep, rgrep print lines matching a pattern
hexdump : , hd ASCII, decimal, hexadecimal, octal dump
su : change user ID or become superuser
diff : compare files line by line
kerneloops : program to collect and submit kernel oopses to kerneloops.org
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graphic manipulation

gimp : an image manipulation and paint program.
start-stop-daemon : start and stop system daemon programs
ppmtojpeg : convert PNM image to a JFIF ("JPEG") image
xmllint : command line XML tool
imgtoppm : convert an Img-whatnot file into a portable pixmap
gnome-session-quit : End the current GNOME session
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database

mysqlimport : a data import program
mysqld_safe : MySQL server startup script
dvdrip : GUI for copying DVDs
mysqlaccess : client for checking access privileges
iconv : Convert encoding of given files from one encoding to another
setkeycodes : load kernel scancode-to-keycode mapping table entries
...

X

gnome-terminal : is a terminal emulation application.
xfreerdp : FreeRDP X11 client
xsetroot : root window parameter setting utility for X
sha1sum : compute and check SHA1 message digest
uxterm : X terminal emulator for Unicode (UTF-8) environments
gksudo : GTK+ frontend for su and sudo
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printer

ghostscript : Ghostscript (PostScript and PDF language interpreter and previewer)
foomatic-ppd-to-xml :
gsdj500 : Format and print text for DeskJet 500 BubbleJet using ghostscript gslj - Format and print text for LaserJet printer using ghostscript
airtun-ng : a virtual tunnel interface creator for aircrack-ng
update-grub : stub for grub-mkconfig
sldtoppm : convert an AutoCAD slide file into a portable pixmap
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package management

dpkg-deb : Debian package archive (.deb) manipulation tool
dpkg-maintscript-helper : works around known dpkg limitations in maintainer scripts
sha1sum : compute and check SHA1 message digest
make : GNU make utility to maintain groups of programs
dpkg-reconfigure : reconfigure an already installed package
apt-config : APT Configuration Query program
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text manipulation

xmlpatterns :
fgrep : , rgrep print lines matching a pattern
update-grub : stub for grub-mkconfig
dvipdf : Convert TeX DVI file to PDF using ghostscript and dvips
tac : concatenate and print files in reverse
iconv : Convert encoding of given files from one encoding to another
...

privacy

wpa_passphrase : Generate a WPA PSK from an ASCII passphrase for a SSID
gpgsplit : Split an OpenPGP message into packets
sha1sum : compute and check SHA1 message digest
nohup : run a command immune to hangups, with output to a non-tty
tor-resolve : resolve a hostname to an IP address via tor
cweave : translate CWEB to C and/or TeX
...

sound manipulation

audacity : Graphical cross-platform audio editor
gst-launch-1.0 : build and run a GStreamer pipeline
jack_evmon :
start-stop-daemon : start and stop system daemon programs
ogmsplit : Split OGG/OGM files into several smaller OGG/OGM files
spd-conf : A simple tool for basic configuration of Speech Dispatcher and problem diagnostics
...

file compression

filterdiff : extract or exclude diffs from a diff file
p7zip : Wrapper on 7zr, a 7-zip file archiver with high compression ratio
update-grub : stub for grub-mkconfig
7zr : A file archiver with highest compression ratio
iconv : Convert encoding of given files from one encoding to another
ogmdemux : Extract streams from OGG/OGM files into separate files
...

Access Control List

su : change user ID or become superuser
usermod : modify a user account
login : begin session on the system
MAKEDEV : create devices
update-grub : stub for grub-mkconfig
uic :
...

text editor

nohup : run a command immune to hangups, with output to a non-tty
pgrep : , pkill look up or signal processes based on name and other attributes
start-stop-daemon : start and stop system daemon programs
parted : GNU Parted - a partition manipulation program
airtun-ng : a virtual tunnel interface creator for aircrack-ng
2to3-3.2 : Python2 to Python3 converter
...

font

update-grub : stub for grub-mkconfig
alias :
iconv : Convert encoding of given files from one encoding to another
python2.7 : an interpreted, interactive, object-oriented programming language
kerneloops : program to collect and submit kernel oopses to kerneloops.org
loadunimap : load the kernel unicode-to-font mapping table
...

boot settings

iconv : Convert encoding of given files from one encoding to another
nohup : run a command immune to hangups, with output to a non-tty
airtun-ng : a virtual tunnel interface creator for aircrack-ng
loadunimap : load the kernel unicode-to-font mapping table
sha1sum : compute and check SHA1 message digest
gst-launch-1.0 : build and run a GStreamer pipeline
...

Media Player

subtitle2pgm :
svlc : , nvlc, rvlc, cvlc the VLC media player
spd-conf : A simple tool for basic configuration of Speech Dispatcher and problem diagnostics
update-grub : stub for grub-mkconfig
cweave : translate CWEB to C and/or TeX
avifix : fix header of AVI-file
...

mail

start-stop-daemon : start and stop system daemon programs
avconv : avconv video converter
airtun-ng : a virtual tunnel interface creator for aircrack-ng
gst-launch-1.0 : build and run a GStreamer pipeline
cweave : translate CWEB to C and/or TeX
find : search for files in a directory hierarchy
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virtualization

cweave : translate CWEB to C and/or TeX
avconv : avconv video converter
airtun-ng : a virtual tunnel interface creator for aircrack-ng
update-grub : stub for grub-mkconfig
iconv : Convert encoding of given files from one encoding to another
busybox : The Swiss Army Knife of Embedded Linux
...

webserver

a2ensite : enable or disable an apache2 site / virtual host
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
spd-conf : A simple tool for basic configuration of Speech Dispatcher and problem diagnostics
gst-launch-1.0 : build and run a GStreamer pipeline
...

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