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
gnome-terminal : is a terminal emulation application.
locale : specific information.
startpar : start runlevel scripts in parallel
xargs : build and execute command lines from standard input
usermod : modify a user account
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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
hdparm : get/set SATA/IDE device parameters
mkfs.ext3 : create an ext2/ext3/ext4 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
javaws : a Java Web Start client
iconv : Convert encoding of given files from one encoding to another
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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
rm : remove files or directories
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graphic manipulation

start-stop-daemon : start and stop system daemon programs
gimp : an image manipulation and paint program.
mkntfs : create an NTFS file system
dvipos : compute positions in a DVI file
grap2graph : convert a grap diagram into a cropped bitmap image
ppmshift : shift lines of a portable pixmap left or right by a random amount
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database

mysqlimport : a data import program
mysqld_safe : MySQL server startup script
update-grub : stub for grub-mkconfig
time : run programs and summarize system resource usage
avconv : avconv video converter
ubuntu-webapps-update-index :
...

X

gnome-terminal : is a terminal emulation application.
xfreerdp : FreeRDP X11 client
xlsclients : list client applications running on a display
lame : create mp3 audio files
loadunimap : load the kernel unicode-to-font mapping table
pnmmargin : add a border to a portable anymap
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package management

aptd : package managing daemon proving a D-Bus interface
lame : create mp3 audio files
start-stop-daemon : start and stop system daemon programs
pnmenlarge : read a portable anymap and enlarge it N times
dpkg-deb : Debian package archive (.deb) manipulation tool
dpkg-maintscript-helper : works around known dpkg limitations in maintainer scripts
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printer

ppdc : cups ppd compiler
ghostscript : Ghostscript (PostScript and PDF language interpreter and previewer)
loadunimap : load the kernel unicode-to-font mapping table
xmllint : command line XML tool
dvdrip : GUI for copying DVDs
iconv : Convert encoding of given files from one encoding to another
...

text manipulation

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
nl : number lines of files
...

privacy

passwd : change user password
tor-gencert : Generate certs and keys for Tor directory authorities
lame : create mp3 audio files
start-stop-daemon : start and stop system daemon programs
wpa_passphrase : Generate a WPA PSK from an ASCII passphrase for a SSID
gpgsplit : Split an OpenPGP message into packets
...

sound manipulation

audacity : Graphical cross-platform audio editor
gst-launch-1.0 : build and run a GStreamer pipeline
passwd : change user password
iconv : Convert encoding of given files from one encoding to another
gst-typefind-0.10 : print MIME type of file
wavpack : encode wav files to wavpack
...

Access Control List

su : change user ID or become superuser
mkfs.vfat : create an MS-DOS file system under Linux
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
...

file compression

avconv : avconv video converter
xzgrep : search compressed files for a regular expression
start-stop-daemon : start and stop system daemon programs
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
...

text editor

pdb3.3 : the Python debugger
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
...

boot settings

kerneloops : program to collect and submit kernel oopses to kerneloops.org
cweave : translate CWEB to C and/or TeX
grub-mkimage : make a bootable image of GRUB
passwd : change user password
spd-conf : A simple tool for basic configuration of Speech Dispatcher and problem diagnostics
update-grub : stub for grub-mkconfig
...

font

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
passwd : change user password
cweave : translate CWEB to C and/or TeX
mft : translate Metafont or MetaPost code to TeX code for prettyprinting
...

mail

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
avconv : avconv video converter
airtun-ng : a virtual tunnel interface creator for aircrack-ng
gst-launch-1.0 : build and run a GStreamer pipeline
...

Media Player

nohup : run a command immune to hangups, with output to a non-tty
ping : 6 send ICMP ECHO_REQUEST to network hosts
subtitle2pgm :
svlc : , nvlc, rvlc, cvlc the VLC media player
spd-conf : A simple tool for basic configuration of Speech Dispatcher and problem diagnostics
update-grub : stub for grub-mkconfig
...

webserver

a2ensite : enable or disable an apache2 site / virtual host
apachectl : Apache HTTP server control interface
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
...

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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