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
gnome-terminal : is a terminal emulation application.
startpar : start runlevel scripts in parallel
usermod : modify a user account
xargs : build and execute command lines from standard input
locale : specific information.
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filesystem

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

strace : trace system calls and signals
busybox : The Swiss Army Knife of Embedded Linux
MAKEDEV : create devices
startpar : start runlevel scripts in parallel
python3.3m : an interpreted, interactive, object-oriented programming language
x86_64-linux-gnu-g++-4.7 : GNU project C and C++ compiler
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file

su : change user ID or become superuser
egrep : , fgrep, rgrep print lines matching a pattern
mkfs.ext2 : create an ext2/ext3/ext4 filesystem
hexdump : , hd ASCII, decimal, hexadecimal, octal dump
fsck : check and repair a Linux filesystem
MAKEDEV : create devices
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graphic manipulation

start-stop-daemon : start and stop system daemon programs
gimp : an image manipulation and paint program.
bmptoppm : convert a BMP file into a portable anymap
pnmnlfilt : non-linear filters: smooth, alpha trim mean, optimal estimation smoothing, edge enhancement.
sha1sum : compute and check SHA1 message digest
djpeg : decompress a JPEG file to an image file
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database

mysqld_safe : MySQL server startup script
mysqlimport : a data import program
gst-launch-1.0 : build and run a GStreamer pipeline
mysqlanalyze : a table maintenance program
loadunimap : load the kernel unicode-to-font mapping table
iconv : Convert encoding of given files from one encoding to another
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X

xfreerdp : FreeRDP X11 client
gnome-terminal : is a terminal emulation application.
xsm : X Session Manager
signon-ui :
loadunimap : load the kernel unicode-to-font mapping table
avconv : avconv video converter
...

package management

gst-launch-1.0 : build and run a GStreamer pipeline
avconv : avconv video converter
start-stop-daemon : start and stop system daemon programs
dh_auto_build : automatically builds a package
sha1sum : compute and check SHA1 message digest
MAKEDEV : create devices
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printer

ghostscript : Ghostscript (PostScript and PDF language interpreter and previewer)
xclock : analog / digital clock for X
ncal : displays a calendar and the date of Easter
start-stop-daemon : start and stop system daemon programs
cups-calibrate : ESP CUPS Printer Calibration Tool
airtun-ng : a virtual tunnel interface creator for aircrack-ng
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text manipulation

ip : show / manipulate routing, devices, policy routing and tunnels
egrep : , fgrep, rgrep print lines matching a pattern
cweave : translate CWEB to C and/or TeX
grep : print lines matching a pattern
find : search for files in a directory hierarchy
view : Vi IMproved, a programmers text editor
...

privacy

iconv : Convert encoding of given files from one encoding to another
mkpasswd : Overfeatured front end to crypt(3)
chroot : run command or interactive shell with special root directory
chattr : change file attributes on a Linux file system
start-stop-daemon : start and stop system daemon programs
tor : The second-generation onion router
...

sound manipulation

audacity : Graphical cross-platform audio editor
gst-launch-1.0 : build and run a GStreamer pipeline
kerneloops : program to collect and submit kernel oopses to kerneloops.org
pasuspender : Temporarily suspend PulseAudio
gst-typefind-0.10 : print MIME type of file
loadunimap : load the kernel unicode-to-font mapping table
...

file compression

airtun-ng : a virtual tunnel interface creator for aircrack-ng
unrar : extract files from rar archives
file-roller : archive manager for GNOME
nohup : run a command immune to hangups, with output to a non-tty
start-stop-daemon : start and stop system daemon programs
lzcat : Compress or decompress .xz and .lzma files
...

Access Control List

su : change user ID or become superuser
2to3-3.2 : Python2 to Python3 converter
groupadd : create a new group
iconv : Convert encoding of given files from one encoding to another
airtun-ng : a virtual tunnel interface creator for aircrack-ng
gst-launch-1.0 : build and run a GStreamer pipeline
...

text editor

gedit : text editor for the GNOME Desktop
view : Vi IMproved, a programmers text editor
loadunimap : load the kernel unicode-to-font mapping table
spd-conf : A simple tool for basic configuration of Speech Dispatcher and problem diagnostics
bibtex.original : make a bibliography for (La)TeX
find : search for files in a directory hierarchy
...

font

iwlist : Get more detailed wireless information from a wireless interface
debugfs : ext2/ext3/ext4 file system debugger
cweave : translate CWEB to C and/or TeX
airtun-ng : a virtual tunnel interface creator for aircrack-ng
ofm2opl : convert Omega and TeX font-metric files to property-list files
mft : translate Metafont or MetaPost code to TeX code for prettyprinting
...

boot settings

dbus-send : Send a message to a message bus
cweave : translate CWEB to C and/or TeX
spd-conf : A simple tool for basic configuration of Speech Dispatcher and problem diagnostics
grub-mkimage : make a bootable image of GRUB
update-grub : stub for grub-mkconfig
iconv : Convert encoding of given files from one encoding to another
...

Media Player

python2.7 : an interpreted, interactive, object-oriented programming language
start-stop-daemon : start and stop system daemon programs
sha1sum : compute and check SHA1 message digest
amarok : The audio player for KDE
nohup : run a command immune to hangups, with output to a non-tty
subtitle2pgm :
...

mail

logrotate : rotates, compresses, and mails system logs
loadunimap : load the kernel unicode-to-font mapping table
spd-conf : A simple tool for basic configuration of Speech Dispatcher and problem diagnostics
mimeopen : Open files by mimetype
nohup : run a command immune to hangups, with output to a non-tty
start-stop-daemon : start and stop system daemon programs
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virtualization

innochecksum : offline InnoDB file checksum utility
start-stop-daemon : start and stop system daemon programs
spd-conf : A simple tool for basic configuration of Speech Dispatcher and problem diagnostics
VBoxControl : x86 virtualization solution
nohup : run a command immune to hangups, with output to a non-tty
cweave : translate CWEB to C and/or TeX
...

webserver

a2ensite : enable or disable an apache2 site / virtual host
update-grub : stub for grub-mkconfig
iconv : Convert encoding of given files from one encoding to another
loadunimap : load the kernel unicode-to-font mapping table
sha1sum : compute and check SHA1 message digest
nohup : run a command immune to hangups, with output to a non-tty
...

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