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
openssl : OpenSSL command line tool
sftp : secure file transfer program
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shell

busybox : The Swiss Army Knife of Embedded Linux
usermod : modify a user account
which : locate a command
watch : execute a program periodically, showing output fullscreen
locale : specific information.
startpar : start runlevel scripts in parallel
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filesystem

resize2fs : ext2/ext3/ext4 file system resizer
chown : change file owner and group
mkfs : build a Linux filesystem
passwd : change user password
rename : renames multiple files
fsck : check and repair a Linux filesystem
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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
chcon : change file security context
nohup : run a command immune to hangups, with output to a non-tty
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file

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
which : locate a command
rename : renames multiple files
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graphic manipulation

start-stop-daemon : start and stop system daemon programs
gimp : an image manipulation and paint program.
pamdice : slice a Netpbm image into many horizontally and/or vertically
cweave : translate CWEB to C and/or TeX
nohup : run a command immune to hangups, with output to a non-tty
transfig : creates a makefile for portable LaTeX figures
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database

mysqlimport : a data import program
mysqld_safe : MySQL server startup script
MAKEDEV : create devices
update-grub : stub for grub-mkconfig
time : run programs and summarize system resource usage
avconv : avconv video converter
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X

xfreerdp : FreeRDP X11 client
gnome-terminal : is a terminal emulation application.
setxkbmap : set the keyboard using the X Keyboard Extension
airtun-ng : a virtual tunnel interface creator for aircrack-ng
nohup : run a command immune to hangups, with output to a non-tty
svlc : , nvlc, rvlc, cvlc the VLC media player
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package management

update-java-alternatives : update alternatives for jre/sdk installations
airtun-ng : a virtual tunnel interface creator for aircrack-ng
update-grub : stub for grub-mkconfig
pk2bm : create a bitmap from a TeX pkfont
dvdrip : GUI for copying DVDs
bzip2 : recover recovers data from damaged bzip2 files
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printer

ppdc : cups ppd compiler
ghostscript : Ghostscript (PostScript and PDF language interpreter and previewer)
foomatic-datafile : Generate a PPD file for a given printer/driver combo
ps2ps : , eps2eps Ghostscript PostScript "distiller"
loadunimap : load the kernel unicode-to-font mapping table
xmllint : command line XML tool
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text manipulation

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
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
...

privacy

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
gzexe : compress executable files in place
passwd : change user password
...

sound manipulation

gst-launch-1.0 : build and run a GStreamer pipeline
audacity : Graphical cross-platform audio editor
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
update-grub : stub for grub-mkconfig
...

file compression

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
zipsplit : split a zipfile into smaller zipfiles
unrar : extract files from rar archives
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Access Control List

su : change user ID or become superuser
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
lame : create mp3 audio files
cweave : translate CWEB to C and/or TeX
...

text editor

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
update-grub : stub for grub-mkconfig
gedit : text editor for the GNOME Desktop
...

font

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
start-stop-daemon : start and stop system daemon programs
iwlist : Get more detailed wireless information from a wireless interface
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boot settings

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
dbus-send : Send a message to a message bus
kerneloops : program to collect and submit kernel oopses to kerneloops.org
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mail

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
lame : create mp3 audio files
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Media Player

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
lame : create mp3 audio files
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virtualization

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
start-stop-daemon : start and stop system daemon programs
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webserver

a2ensite : enable or disable an apache2 site / virtual host
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
iconv : Convert encoding of given files from one encoding to another
...

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