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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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geoip information
A function that takes a domain name as an argument

Find the package that installed a command

Simple addicting bash game.
hold period (or whatever character) and hit enter after a second. You need to make the next line of periods the same length as the previous line... score starts at 0 and increase each time length of line is same.

View all new log messages in real time with color

check open ports without netstat or lsof

Arguments too long

Which processes are listening on a specific port (e.g. port 80)
swap out "80" for your port of interest. Can use port number or named ports e.g. "http"

Quick searching with less

save your current environment as a bunch of defaults

list files recursively by size


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