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
watch : execute a program periodically, showing output fullscreen
locale : specific information.
startpar : start runlevel scripts in parallel
xargs : build and execute command lines from standard input
gnome-terminal : is a terminal emulation application.
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filesystem

resize2fs : ext2/ext3/ext4 file system resizer
fsck : check and repair a Linux filesystem
chown : change file owner and group
passwd : change user password
fsck.ext4 : check a Linux ext2/ext3/ext4 file system
hdparm : get/set SATA/IDE device parameters
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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
kerneloops : program to collect and submit kernel oopses to kerneloops.org
xmllint : command line XML tool
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file

passwd : change user password
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
apachectl : Apache HTTP server control interface
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graphic manipulation

start-stop-daemon : start and stop system daemon programs
gimp : an image manipulation and paint program.
ls : list directory contents
tiff2ps : convert a TIFF image to PostScript™
passwd : change user password
dvd-ram-control : checks features of DVD-RAM discs
...

database

mysqlimport : a data import program
mysqld_safe : MySQL server startup script
bluez-test-service :
mysql_fix_extensions : normalize table file name extensions
pwd : print name of current/working directory
gst-launch-1.0 : build and run a GStreamer pipeline
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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
...

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)
iconv : Convert encoding of given files from one encoding to another
2to3-3.2 : Python2 to Python3 converter
mktexpk : create a PK file for a font
ncal : displays a calendar and the date of Easter
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text manipulation

chcon : change file security context
airtun-ng : a virtual tunnel interface creator for aircrack-ng
ip : show / manipulate routing, devices, policy routing and tunnels
find : search for files in a directory hierarchy
gedit : text editor for the GNOME Desktop
cweave : translate CWEB to C and/or TeX
...

privacy

passwd : change user password
tor : The second-generation onion router
iconv : Convert encoding of given files from one encoding to another
chattr : change file attributes on a Linux file system
tor-gencert : Generate certs and keys for Tor directory authorities
lame : create mp3 audio files
...

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
ping : 6 send ICMP ECHO_REQUEST to network hosts
cweave : translate CWEB to C and/or TeX
...

Access Control List

su : change user ID or become superuser
ping : 6 send ICMP ECHO_REQUEST to network hosts
iconv : Convert encoding of given files from one encoding to another
gst-launch-1.0 : build and run a GStreamer pipeline
airtun-ng : a virtual tunnel interface creator for aircrack-ng
usermod : modify a user account
...

file compression

filterdiff : extract or exclude diffs from a diff file
p7zip : Wrapper on 7zr, a 7-zip file archiver with high compression ratio
lame : create mp3 audio files
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
...

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
passwd : change user password
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
...

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
ping : 6 send ICMP ECHO_REQUEST to network hosts
...

font

lame : create mp3 audio files
start-stop-daemon : start and stop system daemon programs
iwlist : Get more detailed wireless information from a wireless interface
spd-conf : A simple tool for basic configuration of Speech Dispatcher and problem diagnostics
debugfs : ext2/ext3/ext4 file system debugger
ofm2opl : convert Omega and TeX font-metric files to property-list files
...

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
passwd : change user password
cweave : translate CWEB to C and/or TeX
...

Media Player

iconv : Convert encoding of given files from one encoding to another
python2.7 : an interpreted, interactive, object-oriented programming language
lame : create mp3 audio files
start-stop-daemon : start and stop system daemon programs
amarok : The audio player for KDE
sha1sum : compute and check SHA1 message digest
...

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
ping : 6 send ICMP ECHO_REQUEST to network hosts
start-stop-daemon : start and stop system daemon programs
spd-conf : A simple tool for basic configuration of Speech Dispatcher and problem diagnostics
...

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
...

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