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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.

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Start a new command in a new screen window
If you are already running screen then you often want to start a command in a fresh window. You use this alias by typing 's whatever' from your command line and 'whatever' starts running in a new window. Good with interactive commands like info, vim, and nethack.

generate random identicon

Prepend a text to a file.
The original command is great, but I often want to prepend to every line.

Rename files in batch

list files recursively by size

Link a deep tree of files all into on directory
If you want to pull all of the files from a tree that has mixed files and directories containing files, this will link them all into a single directory. Beware of filesystem files-per-directory limits.

Convert a string to "Title Case"

list block devices
Shows all block devices in a tree with descruptions of what they are.

Show how old your linux OS installtion is
..not guaranteed to always be accurate but fun to see how old you Linux installation is based on the root partitions file system creation date.

a function to find the fastest DNS server
http://public-dns.info gives a list of online dns servers. you need to change the country in url (br in this url) with your country code. this command need some time to ping all IP in list.


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