Commands using sort (800)

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Display the end of a logfile as new lines are added to the end

List NYC startups that are hiring

Limit bandwidth usage by apt-get
Limits the usage of bandwidth by apt-get, in the example the command will use 30Kb/s ;) It should work for most apt-get actions (install, update, upgrade, dist-upgrade, etc.)

ps a process keeping the header info so you know what the columns of numbers mean!
USER PID %CPU %MEM VSZ RSS TTY STAT START TIME COMMAND root 1828 0.0 0.0 5396 476 ? Ss 2008 0:00 /usr/sbin/sshd

Compare two directory trees.
This uses Bash's "process substitution" feature to compare (using diff) the output of two different process pipelines.

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"

HourGlass
Displays an animated hourglass for x amount of seconds

Generate list of words and their frequencies in a text file.

Randomize lines (opposite of | sort)
random(6) - random lines from a file or random numbers

Rename files in batch


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