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
which : locate a command
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
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filesystem

resize2fs : ext2/ext3/ext4 file system resizer
passwd : change user password
fsck : check and repair a Linux filesystem
chown : change file owner and group
rename : renames multiple files
fsck.ext4 : check a Linux ext2/ext3/ext4 file system
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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
msgunfmt : uncompile message catalog from binary format
loadunimap : load the kernel unicode-to-font mapping table
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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
mkfontdir : create an index of X font files in a directory
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graphic manipulation

start-stop-daemon : start and stop system daemon programs
gimp : an image manipulation and paint program.
pilfile.py :
airtun-ng : a virtual tunnel interface creator for aircrack-ng
update-grub : stub for grub-mkconfig
ls : list directory contents
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database

mysqlimport : a data import program
mysqld_safe : MySQL server startup script
avconv : avconv video converter
ubuntu-webapps-update-index :
cweave : translate CWEB to C and/or TeX
nohup : run a command immune to hangups, with output to a non-tty
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X

xfreerdp : FreeRDP X11 client
gnome-terminal : is a terminal emulation application.
xsetpointer : set an X Input device as the main pointer
cweave : translate CWEB to C and/or TeX
bibtex : make a bibliography for (La)TeX
gnome-session-quit : End the current GNOME session
...

package management

dvdrip : GUI for copying DVDs
bzip2 : recover recovers data from damaged bzip2 files
nohup : run a command immune to hangups, with output to a non-tty
dpkg-trigger : a package trigger utility
avconv : avconv video converter
dh_auto_test : automatically runs a package’s test suites
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printer

ppdc : cups ppd compiler
ghostscript : Ghostscript (PostScript and PDF language interpreter and previewer)
dvdrip : GUI for copying DVDs
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
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text manipulation

dvdrip : GUI for copying DVDs
sha1sum : compute and check SHA1 message digest
nohup : run a command immune to hangups, with output to a non-tty
nl : number lines of files
egrep : , fgrep, rgrep print lines matching a pattern
passwd : change user password
...

privacy

passwd : change user password
avconv : avconv video converter
gzexe : compress executable files in place
mkpasswd : Overfeatured front end to crypt(3)
kerneloops : program to collect and submit kernel oopses to kerneloops.org
loadunimap : load the kernel unicode-to-font mapping table
...

sound manipulation

audacity : Graphical cross-platform audio editor
gst-launch-1.0 : build and run a GStreamer pipeline
jack_samplerate : JACK toolkit client to print current samplerate
airtun-ng : a virtual tunnel interface creator for aircrack-ng
update-grub : stub for grub-mkconfig
pasuspender : Temporarily suspend PulseAudio
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Access Control List

su : change user ID or become superuser
loadunimap : load the kernel unicode-to-font mapping table
lame : create mp3 audio files
cweave : translate CWEB to C and/or TeX
2to3-3.2 : Python2 to Python3 converter
spd-conf : A simple tool for basic configuration of Speech Dispatcher and problem diagnostics
...

file compression

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
scp-dbus-service :
file-roller : archive manager for GNOME
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text editor

cpp : The C Preprocessor
kerneloops : program to collect and submit kernel oopses to kerneloops.org
update-grub : stub for grub-mkconfig
gedit : text editor for the GNOME Desktop
sha1sum : compute and check SHA1 message digest
view : Vi IMproved, a programmers text editor
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boot settings

start-stop-daemon : start and stop system daemon programs
ping : 6 send ICMP ECHO_REQUEST to network hosts
showkey : examine the codes sent by the keyboard
dbus-send : Send a message to a message bus
kerneloops : program to collect and submit kernel oopses to kerneloops.org
cweave : translate CWEB to C and/or TeX
...

font

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
debugfs : ext2/ext3/ext4 file system debugger
...

mail

update-grub : stub for grub-mkconfig
sha1sum : compute and check SHA1 message digest
logrotate : rotates, compresses, and mails system logs
lame : create mp3 audio files
loadunimap : load the kernel unicode-to-font mapping table
mimeopen : Open files by mimetype
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Media Player

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
lame : create mp3 audio files
start-stop-daemon : start and stop system daemon programs
amarok : The audio player for KDE
...

webserver

a2ensite : enable or disable an apache2 site / virtual host
cweave : translate CWEB to C and/or TeX
airtun-ng : a virtual tunnel interface creator for aircrack-ng
update-grub : stub for grub-mkconfig
passwd : change user password
iconv : Convert encoding of given files from one encoding to another
...

virtualization

loadunimap : load the kernel unicode-to-font mapping table
sha1sum : compute and check SHA1 message digest
innochecksum : offline InnoDB file checksum utility
ping : 6 send ICMP ECHO_REQUEST to network hosts
start-stop-daemon : start and stop system daemon programs
VBoxControl : x86 virtualization solution
...

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