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
nmcli : – commandline tool for controlling NetworkManager
ping : 6 send ICMP ECHO_REQUEST to network hosts
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.ext3 : create an ext2/ext3/ext4 filesystem
mkfs : build a Linux filesystem
passwd : change user password
rename : renames multiple files
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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
lame : create mp3 audio files
iconv : Convert encoding of given files from one encoding to another
...

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
...

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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printer

ppdc : cups ppd compiler
ghostscript : Ghostscript (PostScript and PDF language interpreter and previewer)
cweave : translate CWEB to C and/or TeX
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
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text manipulation

iconv : Convert encoding of given files from one encoding to another
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
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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
lame : create mp3 audio files
...

boot settings

lame : create mp3 audio files
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
...

mail

cweave : translate CWEB to C and/or TeX
find : search for files in a directory hierarchy
thunderbird : Mail User Agent (MUA) and newsgroup/RSS client for X11 derived from the Mozilla suite.
update-grub : stub for grub-mkconfig
sha1sum : compute and check SHA1 message digest
logrotate : rotates, compresses, and mails system logs
...

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
...

virtualization

iconv : Convert encoding of given files from one encoding to another
busybox : The Swiss Army Knife of Embedded Linux
lame : create mp3 audio files
loadunimap : load the kernel unicode-to-font mapping table
sha1sum : compute and check SHA1 message digest
innochecksum : offline InnoDB file checksum utility
...

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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