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/
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.
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.
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:
If any changes have been made to the package while it was unpacked (ie, conffiles files in /etc modi‐fied), the new package will inherit the changes.
This way you can make it easy to copy packages from one computer to another, or to recreate packages that are installed on your system, but no longer available elsewhere.
Note: dpkg-repack will place the created package in the current directory.
This command does the following:
- converts any sequence of multiple spaces/tabs to one space only
- completely removes any space(s)/tab(s) at the end of each line
(If spaces and tabs are mixed in a sequence i.e. [tab][tab][space][tab], you have to execute this command twice!)
command [options] [paste your variable here] parameter
command [options] [paste entire column of variables here] parameter
(hard-code command "c" and parameter "e" according to your wishes: in example shown command = "cp -a" and parameter = "~")
- Quick exchange only variable part of a long command line
- Make variable part to be an entire column of data (i.e. file list)
- Full control while processing every single item
Paste column of data from anywhere. I.e. utilize the Block Select Mode to drag, select and copy columns (In KDE Konsole with Ctrl+Alt pressed, or only Ctrl pressed in GNOME Terminal respectively).
You can paste only one single variable in a row. If there are more space separated variables in a row only first one will be processed, but you can arrange your variables in a column instead. To transpose rows to columns or vice versa look at Linux manual pages for 'cut' and 'paste'.
- add edit mode to vary command "c" and parameter "e" on the fly
- add one edit mode more to handle every list item different
- add y/n/a (=All) instead of only y(=default)/n to allowed answers
The code is not optimized, only the basic idea is presented here. It's up to you to shorten code or extend the functionality.
This alias is meant to append n (here is n=10) most recently used cd commands to the bottom of history file. This way you can easily change to one of previous visited directories simply by hitting 1-10 times arrow up key.
Hint: You can make more aliases implying the same rule for any set of frequently used long and complex commands like: mkisof, rdesktop, gpg...