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
gnome-terminal : is a terminal emulation application.
which : locate a command
fusermount : mount and unmount FUSE filesystems
watch : execute a program periodically, showing output fullscreen
locale : specific information.
...

filesystem

chown : change file owner and group
resize2fs : ext2/ext3/ext4 file system resizer
passwd : change user password
fsck : check and repair a Linux filesystem
mkfs : build a Linux filesystem
rename : renames multiple files
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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
find : search for files in a directory hierarchy
killall5 : - send a signal to all processes.
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file

egrep : , fgrep, rgrep print lines matching a pattern
hexdump : , hd ASCII, decimal, hexadecimal, octal dump
passwd : change user password
su : change user ID or become superuser
mkfs.ext2 : create an ext2/ext3/ext4 filesystem
ping : 6 send ICMP ECHO_REQUEST to network hosts
...

graphic manipulation

start-stop-daemon : start and stop system daemon programs
gimp : an image manipulation and paint program.
transfig : creates a makefile for portable LaTeX figures
pbmtomda : convert a portable bitmap to a Microdesign .mda
pilfile.py :
airtun-ng : a virtual tunnel interface creator for aircrack-ng
...

database

mysqlimport : a data import program
mysqld_safe : MySQL server startup script
nm-tool : utility to report NetworkManager state and devices
telnet : user interface to the TELNET protocol
arch : print machine hardware name (same as uname -m)
mysql_fix_extensions : normalize table file name extensions
...

X

gnome-terminal : is a terminal emulation application.
xfreerdp : FreeRDP X11 client
nohup : run a command immune to hangups, with output to a non-tty
svlc : , nvlc, rvlc, cvlc the VLC media player
xsetpointer : set an X Input device as the main pointer
pdb3.3 : the Python debugger
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package management

dh_auto_test : automatically runs a package’s test suites
loadunimap : load the kernel unicode-to-font mapping table
dpkg-shlibdeps : generate shared library substvar dependencies
dh_auto_build : automatically builds a package
dpkg-architecture : set and determine the architecture for package building
iconv : Convert encoding of given files from one encoding to another
...

printer

ghostscript : Ghostscript (PostScript and PDF language interpreter and previewer)
ppdc : cups ppd compiler
pdb3.3 : the Python debugger
start-stop-daemon : start and stop system daemon programs
gnome-session : Start the GNOME desktop environment
foomatic-ppd-to-xml :
...

text manipulation

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
bluez-simple-service :
unwrapdiff : demangle word-wrapped patches
fmtutil-sys : utility for maintaining TeX format files system-wide
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privacy

passwd : change user password
airtun-ng : a virtual tunnel interface creator for aircrack-ng
update-grub : stub for grub-mkconfig
avconv : avconv video converter
pdb3.3 : the Python debugger
gzexe : compress executable files in place
...

sound manipulation

audacity : Graphical cross-platform audio editor
gst-launch-1.0 : build and run a GStreamer pipeline
ping : 6 send ICMP ECHO_REQUEST to network hosts
cweave : translate CWEB to C and/or TeX
jack_samplerate : JACK toolkit client to print current samplerate
airtun-ng : a virtual tunnel interface creator for aircrack-ng
...

Access Control List

su : change user ID or become superuser
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
login : begin session on the system
passwd : change user password
...

file compression

passwd : change user password
loadunimap : load the kernel unicode-to-font mapping table
dvdrip : GUI for copying DVDs
sha1sum : compute and check SHA1 message digest
zipsplit : split a zipfile into smaller zipfiles
unrar : extract files from rar archives
...

text editor

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
fmtutil-sys : utility for maintaining TeX format files system-wide
pdb3.3 : the Python debugger
...

boot settings

update-grub : stub for grub-mkconfig
syslinux : install the SYSLINUX bootloader on a FAT filesystem
iconv : Convert encoding of given files from one encoding to another
nohup : run a command immune to hangups, with output to a non-tty
pdb3.3 : the Python debugger
airtun-ng : a virtual tunnel interface creator for aircrack-ng
...

font

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
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
...

mail

thunderbird : Mail User Agent (MUA) and newsgroup/RSS client for X11 derived from the Mozilla suite.
update-grub : stub for grub-mkconfig
pdb3.3 : the Python debugger
sha1sum : compute and check SHA1 message digest
logrotate : rotates, compresses, and mails system logs
lame : create mp3 audio files
...

Media Player

airtun-ng : a virtual tunnel interface creator for aircrack-ng
loadunimap : load the kernel unicode-to-font mapping table
pdb3.3 : the Python debugger
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
...

webserver

a2ensite : enable or disable an apache2 site / virtual host
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
gst-launch-1.0 : build and run a GStreamer pipeline
apachectl : Apache HTTP server control interface
...

virtualization

ping : 6 send ICMP ECHO_REQUEST to network hosts
start-stop-daemon : start and stop system daemon programs
VBoxControl : x86 virtualization solution
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
passwd : change user password
...

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