Commands by root (53)

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

cd into another dir to run a one-liner, but implicitly drop back to your $OLD_PWD after
Obviously the example given is necessarily simple, but this command not only saves time on the command line (saves you using "cd -" or, worse, having to type a fully qualified path if your command cd's more than once), but is vital in scripts, where I've found the behaviour of "cd -" to be a little broken at times.

Backup sda5 partition to ftp ( using pipes and gziped backup )

Print only the odd lines of a file
NR%2 == 1 on odd lines and 0 on even lines

print a python-script (or any other code) with syntax-highlighting and no loss of indentation

find all file larger than 500M
Greater than 500M and sorted by size.

create a backup for all directories from current dir
Create backup (.tar.gz) for all first-level directory from current dir.

disable caps lock
a quick one-line way to disable caps lock while running X.

Read a tcpdump file and count SYN packets to port 80, Order column by destination.

generate random number

Copy history from one terminal to another
Or just do history -w before opening another terminal.


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: