All commands (14,187)

What's this?

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

Share Your Commands


Check These Out

Short and elegant way to backup a single file before you change it.
Remember to backup everything before changing it so you can restore all to normal.

Resolve the "all display buffers are busy, please try later" error on a Foundry

How much RAM is Apache using?
Display the amount of memory used by all the httpd processes. Great in case you are being Slashdoted!

Rename files in batch

Delete a file/directory walking subdirectories (bash4 or zsh)

Find the package that installed a command

How to know the total number of packages available

checking space availabe on all /proc/mounts points (using Nagios check_disk)
More info here: http://nagioswiki.com/wiki/index.php/Checking_/proc/mounts_on_remote_server

shuffle lines via bash
Using perl in a one-liner is a bit overkill to randomly sort some input. `sort` from coreutils should be enough.

See a full list of compiler defined symbols
From http://lists.debian.org/debian-devel/2001/01/msg00971.html .


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: