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.
usermod : modify a user account
which : locate a command
fusermount : mount and unmount FUSE filesystems
watch : execute a program periodically, showing output fullscreen
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filesystem

resize2fs : ext2/ext3/ext4 file system resizer
chown : change file owner and group
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
...

programming

strace : trace system calls and signals
MAKEDEV : create devices
busybox : The Swiss Army Knife of Embedded Linux
startpar : start runlevel scripts in parallel
find : search for files in a directory hierarchy
killall5 : - send a signal to all processes.
...

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
loadunimap : load the kernel unicode-to-font mapping table
...

graphic manipulation

start-stop-daemon : start and stop system daemon programs
gimp : an image manipulation and paint program.
transfig : creates a makefile for portable LaTeX figures
pbmtomda : convert a portable bitmap to a Microdesign .mda
pilfile.py :
airtun-ng : a virtual tunnel interface creator for aircrack-ng
...

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 :
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X

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

package management

dh_auto_test : automatically runs a package’s test suites
loadunimap : load the kernel unicode-to-font mapping table
dpkg-shlibdeps : generate shared library substvar dependencies
dh_auto_build : automatically builds a package
dpkg-architecture : set and determine the architecture for package building
iconv : Convert encoding of given files from one encoding to another
...

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

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

audacity : Graphical cross-platform audio editor
gst-launch-1.0 : build and run a GStreamer pipeline
avconv : avconv video converter
pdb3.3 : the Python debugger
sha1sum : compute and check SHA1 message digest
jack_evmon :
...

Access Control List

su : change user ID or become superuser
MAKEDEV : create devices
update-grub : stub for grub-mkconfig
uic :
start-stop-daemon : start and stop system daemon programs
nohup : run a command immune to hangups, with output to a non-tty
...

file compression

update-grub : stub for grub-mkconfig
7zr : A file archiver with highest compression ratio
iconv : Convert encoding of given files from one encoding to another
ogmdemux : Extract streams from OGG/OGM files into separate files
znew : recompress .Z files to .gz files
passwd : change user password
...

text editor

sha1sum : compute and check SHA1 message digest
view : Vi IMproved, a programmers text editor
bibtex.original : make a bibliography for (La)TeX
lame : create mp3 audio files
loadunimap : load the kernel unicode-to-font mapping table
find : search for files in a directory hierarchy
...

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

lame : create mp3 audio files
loadunimap : load the kernel unicode-to-font mapping table
mimeopen : Open files by mimetype
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
ping : 6 send ICMP ECHO_REQUEST to network hosts
...

Media Player

airtun-ng : a virtual tunnel interface creator for aircrack-ng
loadunimap : load the kernel unicode-to-font mapping table
pdb3.3 : the Python debugger
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
...

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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