Hide

What's this?

commandlinefu.com is the place to record those command-line gems that you return to again and again.

Delete that bloated snippets file you've been using and share your personal repository with the world. That way others can gain from your CLI wisdom and you from theirs too. All commands can be commented on, discussed and voted up or down.


If you have a new feature suggestion or find a bug, please get in touch via http://commandlinefu.uservoice.com/

Get involved!

You can sign-in using OpenID credentials, or register a traditional username and password.

First-time OpenID users will be automatically assigned a username which can be changed after signing in.

Hide

Stay in the loop…

Follow the Tweets.

Every new command is wrapped in a tweet and posted to Twitter. Following the stream is a great way of staying abreast of the latest commands. For the more discerning, there are Twitter accounts for commands that get a minimum of 3 and 10 votes - that way only the great commands get tweeted.

» http://twitter.com/commandlinefu
» http://twitter.com/commandlinefu3
» http://twitter.com/commandlinefu10

Subscribe to the feeds.

Use your favourite RSS aggregator to stay in touch with the latest commands. There are feeds mirroring the 3 Twitter streams as well as for virtually every other subset (users, tags, functions,…):

Subscribe to the feed for:

Hide

News

2011-03-12 - Confoo 2011 presentation
Slides are available from the commandlinefu presentation at Confoo 2011: http://presentations.codeinthehole.com/confoo2011/
2011-01-04 - Moderation now required for new commands
To try and put and end to the spamming, new commands require moderation before they will appear on the site.
2010-12-27 - Apologies for not banning the trolls sooner
Have been away from the interwebs over Christmas. Will be more vigilant henceforth.
2010-09-24 - OAuth and pagination problems fixed
Apologies for the delay in getting Twitter's OAuth supported. Annoying pagination gremlin also fixed.
Hide

Tags

Hide

Functions

Commands by emacs from sorted by
Terminal - Commands by emacs - 9 results
cd $(find -inum inode_no)
2010-09-25 06:04:32
User: emacs
Functions: cd find
-2

First use ls -i to list files and directories with their inode number

Then if you want to change to one of the directories, replace inode_no with its inode then execute the command

echo > filename
curl --basic --user username:password --data status="Twitter from commandline with curl" https://twitter.com/statuses/update.xml
2010-07-06 05:25:51
User: emacs
-3

--basic --user username:password

This will authenticate your Twitter username and password

--data status=""

Send data to the API with POST HTTP form.

vim !$
2010-07-06 01:39:22
User: emacs
Functions: vim
0

the second command 'vim !$' will open test.txt to edit

find directory -maxdepth 1 -type f | xargs ls -l | awk 'BEGIN { SUM=0} { SUM+=$5 } END { print SUM/2^20 }'
ls -l directory | awk 'BEGIN { SUM=0 } { SUM+=$5 } END { print SUM/1024/1024"M" }'
apt-cache show pkgname | grep -i "version:"
2010-06-03 00:48:39
User: emacs
Functions: apt grep
Tags: Debian
3

if you don't want to show string "version?, then use awk or cut filter it: apt-cache show pkgname | grep -i "version:" | awk '{ print $2 }'

we can also use regex to search many packages and show their versions:

apt-cache search pkgregex | grep -i "version:"

sort file1 file2 | uniq -d
2010-05-28 10:25:31
User: emacs
Functions: sort uniq
-1

print members both in file1 and file2

find . -type f | xargs ls -ltrhg
2010-05-28 01:23:53
User: emacs
Functions: find ls xargs
-1

find and normal files and list them sorting with modification time without group

l: with detailed information

t: sort with modification time

r: reverse order

h: show file's size in human-readable format, such as K(kilobytes), M(megabyes) etc.

g: do not show group