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
fsck : check and repair a Linux filesystem
passwd : change user password
aireplay-ng : inject packets into a wireless network to generate traffic
fsck.ext4 : check a Linux ext2/ext3/ext4 file system
...

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
...

file

mkfs.ext2 : create an ext2/ext3/ext4 filesystem
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
fsck.ext3 : check a Linux ext2/ext3/ext4 file system
...

graphic manipulation

gimp : an image manipulation and paint program.
start-stop-daemon : start and stop system daemon programs
animate : animates an image or image sequence on any X server.
pamstretch-gen : use pamstretch and pnmscale to scale by non-integer values
tiff2rgba : convert a TIFF image to RGBA color space
sha1sum : compute and check SHA1 message digest
...

database

mysqlimport : a data import program
mysqld_safe : MySQL server startup script
find : search for files in a directory hierarchy
mysql_zap : kill processes that match a pattern
airtun-ng : a virtual tunnel interface creator for aircrack-ng
start-stop-daemon : start and stop system daemon programs
...

X

gnome-terminal : is a terminal emulation application.
xfreerdp : FreeRDP X11 client
zenity : display GTK+ dialogs
update-grub : stub for grub-mkconfig
yuvdenoise : Motion-Compensating-YUV4MPEG2-frame-denoiser
avconv : avconv video converter
...

package management

update-grub : stub for grub-mkconfig
pk2bm : create a bitmap from a TeX pkfont
dvdrip : GUI for copying DVDs
pdb3.3 : the Python debugger
bzip2 : recover recovers data from damaged bzip2 files
nohup : run a command immune to hangups, with output to a non-tty
...

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
...

privacy

passwd : change user password
kerneloops : program to collect and submit kernel oopses to kerneloops.org
loadunimap : load the kernel unicode-to-font mapping table
chroot : run command or interactive shell with special root directory
tor : The second-generation onion router
iconv : Convert encoding of given files from one encoding to another
...

sound manipulation

gst-launch-1.0 : build and run a GStreamer pipeline
audacity : Graphical cross-platform audio editor
start-stop-daemon : start and stop system daemon programs
ogmsplit : Split OGG/OGM files into several smaller OGG/OGM files
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
...

Access Control List

su : change user ID or become superuser
pdb3.3 : the Python debugger
spd-conf : A simple tool for basic configuration of Speech Dispatcher and problem diagnostics
groupadd : create a new group
ping : 6 send ICMP ECHO_REQUEST to network hosts
iconv : Convert encoding of given files from one encoding to another
...

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

find : search for files in a directory hierarchy
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
pgrep : , pkill look up or signal processes based on name and other attributes
passwd : change user password
start-stop-daemon : start and stop system daemon programs
...

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

iconv : Convert encoding of given files from one encoding to another
python2.7 : an interpreted, interactive, object-oriented programming language
kerneloops : program to collect and submit kernel oopses to kerneloops.org
loadunimap : load the kernel unicode-to-font mapping table
afm2tfm : convert Adobe font metrics to TeX font metrics
sha1sum : compute and check SHA1 message digest
...

mail

airtun-ng : a virtual tunnel interface creator for aircrack-ng
gst-launch-1.0 : build and run a GStreamer pipeline
passwd : change user password
cweave : translate CWEB to C and/or TeX
find : search for files in a directory hierarchy
thunderbird : Mail User Agent (MUA) and newsgroup/RSS client for X11 derived from the Mozilla suite.
...

Media Player

lame : create mp3 audio files
start-stop-daemon : start and stop system daemon programs
amarok : The audio player for KDE
sha1sum : compute and check SHA1 message digest
nohup : run a command immune to hangups, with output to a non-tty
ping : 6 send ICMP ECHO_REQUEST to network hosts
...

webserver

a2ensite : enable or disable an apache2 site / virtual host
loadunimap : load the kernel unicode-to-font mapping table
pdb3.3 : the Python debugger
sha1sum : compute and check SHA1 message digest
nohup : run a command immune to hangups, with output to a non-tty
ping : 6 send ICMP ECHO_REQUEST to network hosts
...

virtualization

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
ping : 6 send ICMP ECHO_REQUEST to network hosts
start-stop-daemon : start and stop system daemon programs
...

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