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Delete .svn directories and content recursively
Use carefully have rm -rf ;-)

Find and list users who talk like "lolcats"
Greps IRC logs for phrases and lists users who said them.

Simplest way to get size (in bytes) of a file

View the current number of free/used inodes in a file system
tune2fs also provides the same information . But the information does not give the current usage , it gives the information when the file system was last mounted. http://www.zaman4linux.in/2010/10/using-up-all-the-free-inodes.html

Show top running processes by the number of open filehandles they have
I think I could cut down the number of pipes here, any suggestions?

Show a prettified list of nearby wireless APs

Find usb device in realtime
Using this command you can track a moment when usb device was attached.

take a look to command before action
add |sh when you agree the list, I often use that method to prevent typos in dangerous or long operations

Convert CSV to JSON
Replace 'csv_file.csv' with your filename.

list files recursively by size


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