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.
startpar : start runlevel scripts in parallel
usermod : modify a user account
xargs : build and execute command lines from standard input
locale : specific information.
...

filesystem

resize2fs : ext2/ext3/ext4 file system resizer
chown : change file owner and group
passwd : change user password
mkfs : build a Linux filesystem
fsck.ext4 : check a Linux ext2/ext3/ext4 file system
rename : renames multiple files
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programming

strace : trace system calls and signals
MAKEDEV : create devices
startpar : start runlevel scripts in parallel
busybox : The Swiss Army Knife of Embedded Linux
loadunimap : load the kernel unicode-to-font mapping table
watch : execute a program periodically, showing output fullscreen
...

file

egrep : , fgrep, rgrep print lines matching a pattern
mkfs.ext2 : create an ext2/ext3/ext4 filesystem
hexdump : , hd ASCII, decimal, hexadecimal, octal dump
su : change user ID or become superuser
sha1sum : compute and check SHA1 message digest
qhelpgenerator :
...

graphic manipulation

gimp : an image manipulation and paint program.
start-stop-daemon : start and stop system daemon programs
airtun-ng : a virtual tunnel interface creator for aircrack-ng
gnome-terminal.wrapper : is a terminal emulation application.
ppmtojpeg : convert PNM image to a JFIF ("JPEG") image
nohup : run a command immune to hangups, with output to a non-tty
...

database

mysqlimport : a data import program
mysqld_safe : MySQL server startup script
start-stop-daemon : start and stop system daemon programs
dvdrip : GUI for copying DVDs
MAKEDEV : create devices
find : search for files in a directory hierarchy
...

X

gnome-terminal : is a terminal emulation application.
xfreerdp : FreeRDP X11 client
start-stop-daemon : start and stop system daemon programs
airtun-ng : a virtual tunnel interface creator for aircrack-ng
gksudo : GTK+ frontend for su and sudo
file-roller : archive manager for GNOME
...

package management

cweave : translate CWEB to C and/or TeX
dpkg-deb : Debian package archive (.deb) manipulation tool
airtun-ng : a virtual tunnel interface creator for aircrack-ng
dpkg-reconfigure : reconfigure an already installed package
python2.7 : an interpreted, interactive, object-oriented programming language
dpkg-maintscript-helper : works around known dpkg limitations in maintainer scripts
...

printer

ghostscript : Ghostscript (PostScript and PDF language interpreter and previewer)
cweave : translate CWEB to C and/or TeX
foomatic-ppd-to-xml :
sldtoppm : convert an AutoCAD slide file into a portable pixmap
nohup : run a command immune to hangups, with output to a non-tty
gsdj500 : Format and print text for DeskJet 500 BubbleJet using ghostscript gslj - Format and print text for LaserJet printer using ghostscript
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text manipulation

iconv : Convert encoding of given files from one encoding to another
xmlpatterns :
dvipdf : Convert TeX DVI file to PDF using ghostscript and dvips
bluez-simple-service :
fgrep : , rgrep print lines matching a pattern
loadunimap : load the kernel unicode-to-font mapping table
...

privacy

wpa_passphrase : Generate a WPA PSK from an ASCII passphrase for a SSID
nohup : run a command immune to hangups, with output to a non-tty
cweave : translate CWEB to C and/or TeX
gpgsplit : Split an OpenPGP message into packets
airtun-ng : a virtual tunnel interface creator for aircrack-ng
tor-resolve : resolve a hostname to an IP address via tor
...

sound manipulation

audacity : Graphical cross-platform audio editor
gst-launch-1.0 : build and run a GStreamer pipeline
jack_evmon :
start-stop-daemon : start and stop system daemon programs
spd-conf : A simple tool for basic configuration of Speech Dispatcher and problem diagnostics
ogmsplit : Split OGG/OGM files into several smaller OGG/OGM files
...

file compression

filterdiff : extract or exclude diffs from a diff file
update-grub : stub for grub-mkconfig
iconv : Convert encoding of given files from one encoding to another
p7zip : Wrapper on 7zr, a 7-zip file archiver with high compression ratio
7zr : A file archiver with highest compression ratio
ogmdemux : Extract streams from OGG/OGM files into separate files
...

Access Control List

su : change user ID or become superuser
usermod : modify a user account
MAKEDEV : create devices
uic :
login : begin session on the system
update-grub : stub for grub-mkconfig
...

text editor

nohup : run a command immune to hangups, with output to a non-tty
start-stop-daemon : start and stop system daemon programs
airtun-ng : a virtual tunnel interface creator for aircrack-ng
pgrep : , pkill look up or signal processes based on name and other attributes
parted : GNU Parted - a partition manipulation program
2to3-3.2 : Python2 to Python3 converter
...

font

update-grub : stub for grub-mkconfig
iconv : Convert encoding of given files from one encoding to another
alias :
python2.7 : an interpreted, interactive, object-oriented programming language
loadunimap : load the kernel unicode-to-font mapping table
sha1sum : compute and check SHA1 message digest
...

boot settings

iconv : Convert encoding of given files from one encoding to another
airtun-ng : a virtual tunnel interface creator for aircrack-ng
nohup : run a command immune to hangups, with output to a non-tty
loadunimap : load the kernel unicode-to-font mapping table
sha1sum : compute and check SHA1 message digest
erb1.8 : an embedded Ruby language interpreter
...

Media Player

subtitle2pgm :
spd-conf : A simple tool for basic configuration of Speech Dispatcher and problem diagnostics
svlc : , nvlc, rvlc, cvlc the VLC media player
update-grub : stub for grub-mkconfig
cweave : translate CWEB to C and/or TeX
airtun-ng : a virtual tunnel interface creator for aircrack-ng
...

mail

start-stop-daemon : start and stop system daemon programs
airtun-ng : a virtual tunnel interface creator for aircrack-ng
avconv : avconv video converter
gst-launch-1.0 : build and run a GStreamer pipeline
cweave : translate CWEB to C and/or TeX
find : search for files in a directory hierarchy
...

virtualization

cweave : translate CWEB to C and/or TeX
airtun-ng : a virtual tunnel interface creator for aircrack-ng
avconv : avconv video converter
update-grub : stub for grub-mkconfig
iconv : Convert encoding of given files from one encoding to another
busybox : The Swiss Army Knife of Embedded Linux
...

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
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
...

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