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Random Number Between 1 And X
If X is 5, it will about a number between 1 and 5 inclusive. This works in bash and zsh. If you want between 0 and 4, remove the +1.

Convert .flv to .avi

ls not pattern
Hides some entries from listing.

download newest adminer and rename to it's version accordingly
If the version already downloaded. it will not download again

SAR - List the average memory usage for all days recorded under '/var/log/sa/*' using sar -r.

Check if the LHC has destroyed the world
This says if the LHC has destroyed the world. Run it in a loop to monitor the state of Earth. Might not work reliable, if the world has actually been destroyed.

Find the package that installed a command

Count number of bytes that are different between 2 binary files

Spoof your wireless MAC address on OS X to 00:e2:e3:e4:e5:e6
If you want to check that the spoof worked, type the same command as earlier: $ifconfig en1 | grep ether Now you will see: $ether 00:e2:e3:e4:e5:e6 For the wired ethernet port: $sudo ifconfig en0 ether 00:e2:e3:e4:e5:e6

list files recursively by size


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