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uniq for unsorted data

remove empty lines in place with backup
Modify file in place to remove empty lines and create a backup of the original with the extension .bak

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"

find string into one pdf file

Benchmark a hard drive

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"

kill all running instances of wine and programs runned by it (exe)
Look mah! All pipes

Check syntax for all PHP files in the current directory and all subdirectories

Display the top ten running processes - sorted by memory usage
ps returns all running processes which are then sorted by the 4th field in numerical order and the top 10 are sent to STDOUT.

Print compile time in seconds package by package (Gentoo Distros)


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