Commands using grep (1,935)

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

backup directory. (for bash)

To create files with specific permission:

Release memory used by the Linux kernel on caches
=1 --> to free pagecache =2 --> to free dentries and inodes =3 --> to free pagecache, dentries and inodes

Replace the content of an XML element
Replaces "650" with "999" in simple.xml. xml used - http://www.w3schools.com/xml/simple.xml

Get a list of ssh servers on the local subnet
--open -sV is not needed if you are only looking for hosts with 22 open

Convert .wma files to .ogg with ffmpeg

Are the two lines anagrams?
This is just a slight alternative that wraps all of #7917 in a function that can be executed

Get the dir listing of an executable without knowing its location

a simple bash one-liner to create php file and call php function

pdfcount: get number of pages in a PDF file


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: