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All commands

All commands from sorted by
Terminal - All commands - 10,564 results
dd if=/dev/<device location> | gzip -c /<path to backup location>/<disk image name>.img.gz
2009-11-10 22:57:51
User: awjrichards
Functions: dd gzip
-3
Up
Down
Compress and Backup a disk image
Comments (1) | Add to favourites | Report as malicious | Submit alternative | Report as a duplicate
passwd -d $USER
2010-05-07 07:15:09
User: TheFox
Functions: passwd
-3
Up
Down
Enable passwordless login

-d, --delete

Delete a user?s password (make it empty). This is a quick way to disable a password for an account. It will set the named account passwordless.

Comments (2) | Add to favourites | Report as malicious | Submit alternative | Report as a duplicate
find -name *.\[c\|h\] | xargs wc -l
2011-05-02 21:18:35
User: pescio
Functions: find wc xargs
-3
Up
Down
How many lines in your c project?

it recursively searches your project's directories and sum the lines of every source [.c or .h]. Then it gives you the total.

Comments (2) | Add to favourites | Report as malicious | Submit alternative | Report as a duplicate
gzip -cd file.gz | ssh user@host 'dd of=~/file'
2010-09-20 11:44:19
User: twfcc
Functions: gzip ssh
-3
Up
Down
unzip file on local machine copy to remote machine with ssh

It is an easy method unzip a file and copy it to remote machine. No unziped file on local hard drive

Show sample output | Comments (0) | Add to favourites | Report as malicious | Submit alternative | Report as a duplicate
10,30,50 * * * * ping -q -c1 -w3 192.168.0.14 | grep '1 received' - || mail -ne -s'Host 192.168.0.14 not reachable' admin@example.com
2012-02-06 10:42:46
User: knoppix5
Functions: grep mail ping
Tags: ping host connection crontab
-3
Up
Down
Send e-mail if host is 'dead' or not reachable

Every 20 minutes test if host with IP 192.168.0.14 is 'dead' or not reachable.

The line should be put in your crontab file.

Comments (0) | Add to favourites | Report as malicious | Submit alternative | Report as a duplicate
for i in *; do echo '"'$i'"'; done
2010-08-17 16:58:48
User: stubby
Functions: echo
Tags: for
-3
Up
Down
List files with names in quotes.

bash

Comments (0) | Add to favourites | Report as malicious | Submit alternative | Report as a duplicate
. (in NORMAL MODE)
2013-01-08 18:32:57
User: Zulu
Tags: vim
-3
Up
Down
Paste what you previously wrote in INSERT MODE

Paste what you previously wrote in INSERT MODE, for example:

1. Write 'foo' in INSERT MODE

2. Return to NORMAL MODE

3. Press "." and it will paste 'foo'

Comments (0) | Add to favourites | Report as malicious | Submit alternative | Report as a duplicate
wget http://cmyip.com -O - -o /dev/null | awk '/\<title/ {print $4}'
2011-02-15 05:58:30
User: ruslan
Functions: awk wget
Tags: external ip
-3
Up
Down
Current host external IP

Get external IP of the current machine via http://cmyip.com

Show sample output | Comments (1) | Add to favourites | Report as malicious | Submit alternative | Report as a duplicate
awk '{ printf "%.2f", $2/1024/1024 ; exit}' /proc/meminfo
2011-11-12 15:38:56
User: benoit_c_lbn
Functions: awk printf
-3
Up
Down
Get memory total from /proc/meminfo in Gigs

when you can do it , avoid pipe

Show sample output | Comments (0) | Add to favourites | Report as malicious | Submit alternative | Report as a duplicate
ls |while read line ; do mpg321 -w "$line.wav" "$line" ; done
2009-02-18 21:04:52
User: headshot
Functions: ls mpg321 read
-3
Up
Down
Convert *.mp3 files to *.wav for recording audio cd's
Comments (1) | Add to favourites | Report as malicious | Submit alternative | Report as a duplicate
cobbler check
2009-04-27 10:28:29
User: w00binda
Tags: cobbler provisioning
-3
Up
Down
Check cobbler environment

A script that checks if your environment is correctly configured for using cobbler.

Show sample output | Comments (0) | Add to favourites | Report as malicious | Submit alternative | Report as a duplicate
for z in */*.pdf; do gs -q -dNOPAUSE -dBATCH -sDEVICE=pdfwrite -sOutputFile="$z new" -c .setpdfwrite -f "$z" mv "$z new" "$z"; done
2010-10-21 16:41:37
User: splaer
Functions: gs mv
-3
Up
Down
Remove password from any pdf in current or sub directories

doesnt require knowing the password to pdf

Show sample output | Comments (3) | Add to favourites | Report as malicious | Submit alternative | Report as a duplicate
echo "Hello world" | base64
2009-04-27 15:00:08
User: P17
Functions: echo
Tags: encoding
-3
Up
Down
Encoding with base64

Also works with files:

cat file

Hello world

base64 file

SGVsbG8gd29ybGQK

To decrypt use the -d option:

echo SGVsbG8gd29ybGQK | base64 -d

Hello world

Show sample output | Comments (8) | Add to favourites | Report as malicious | Submit alternative | Report as a duplicate
pkill -U MYWIFE
2009-02-05 22:10:07
User: HansReiser
-3
Up
Down
Kills MYWIFE.

Kills all processes owned by user MYWIFE (replace MYWIFE with username or ID of your choice)

(Thanks, porges, for the better command)

Comments (3) | Add to favourites | Report as malicious | Submit alternative | Report as a duplicate
ipconfig /flushdns
2009-02-18 21:23:36
User: wwest4
-3
Up
Down
flush cached dns lookups

Windows

Comments (0) | Add to favourites | Report as malicious | Submit alternative | Report as a duplicate
for i in *ext; do mv $i ${i%.ext}; done
2011-11-13 03:58:08
User: paulochf
Functions: mv
Tags: bash rename bash tricks extension
-3
Up
Down
Renaming files removing some unwanted extension

For those files in current folder that would be shown in `ls *ext`, for some extension ext, move/rename that file removing the .ext suffix from the file name.

It uses Bash's parameter substitution, as seen in

http://tldp.org/LDP/abs/html/parameter-substitution.html#PCTPATREF

(for analog use in prefix, see http://tldp.org/LDP/abs/html/parameter-substitution.html#PSOREX2 )

Comments (3) | Add to favourites | Report as malicious | Submit alternative | Report as a duplicate
for i in $(find . -iname '*.html'); do sed '/String/d' $i > $i-tmp; mv $i-tmp $i; done
2010-09-21 14:35:18
User: cadu
Functions: find mv sed
Tags: sed find
-3
Up
Down
Remove lines with matched string

Search in all html files and remove the lines that 'String' is found.

Comments (4) | Add to favourites | Report as malicious | Submit alternative | Report as a duplicate
pgrep rouge-process | xargs sudo kill -9
2010-05-09 22:30:05
User: mheadd
Functions: kill sudo xargs
Tags: xargs pgrep
-3
Up
Down
Kill multiple instances of a running process

Find and kill multiple instances of a process with one simple command.

Comments (3) | Add to favourites | Report as malicious | Submit alternative | Report as a duplicate
while true; do /bin/true; done
2009-02-18 22:08:18
User: deepc0re
-3
Up
Down
Generate load on your CPU

Loads your CPU, run a instance for each CPU/CORE.

Comments (1) | Add to favourites | Report as malicious | Submit alternative | Report as a duplicate
ls -shF --color
2009-09-03 05:45:33
User: Viperlin
Functions: ls
-3
Up
Down
Ultimate current directory usage command

use manpages, they give you "ultimate commands"

"ls -SshF --color" list by filesize (biggest at the top)

"ls -SshFr --color" list by filesize in reverse order (biggest at the bottom)

Show sample output | Comments (3) | Add to favourites | Report as malicious | Submit alternative | Report as a duplicate
lynx --dump icanhazip.com
2010-06-16 11:52:50
User: 111110100
Tags: Network curl ip address
-3
Up
Down
Get your external IP address

If curl isn't available, use lynx.

Comments (0) | Add to favourites | Report as malicious | Submit alternative | Report as a duplicate
alias trash="rm -fr ~/.local/share/Trash"
2009-02-27 01:55:30
User: unixmonkey1862
Functions: alias
-3
Up
Down
Empty The Trash

Force empties the user trash

Comments (0) | Add to favourites | Report as malicious | Submit alternative | Report as a duplicate
alias o='xdg-open "$@" 2>/dev/null'
2011-12-26 08:52:22
User: Bonster
Functions: alias
-3
Up
Down
Open any file and suppress error warnings message

use xdg-open without looking at error messages

examples msg:

(nautilus:3955): Gtk-WARNING **: Theme parsing error: Notebook.css:21:15: Junk at end of value

Comments (2) | Add to favourites | Report as malicious | Submit alternative | Report as a duplicate
xcopy D:\*.* /s/e/f E:\
2009-09-20 12:36:52
User: eth0
-3
Up
Down
Create Bootable USB from ISO file

Replace D drive with mounted ISO virtual drive and Replace E with your USB drive letter.

Comments (2) | Add to favourites | Report as malicious | Submit alternative | Report as a duplicate
rm strangedirs -rf
2009-06-30 15:10:31
User: ioggstream
Functions: rm
Tags: rm safe
-3
Up
Down
Recursive when needed

avoid rm to be recursive until you complete the command: put the -rf at the end!

Comments (0) | Add to favourites | Report as malicious | Submit alternative | Report as a duplicate