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Set laptop display brightness
Run as root. Path may vary depending on laptop model and video card (this was tested on an Acer laptop with ATI HD3200 video). $ cat /proc/acpi/video/VGA/LCD/brightness to discover the possible values for your display.

highlight with grep and still output file contents

Top 10 Memory Processes (reduced output to applications and %usage only)
Top 10 Memory Processes (reduced output to applications and %usage only)

Find if the command has an alias

list files recursively by size

A fun thing to do with ram is actually open it up and take a peek. This command will show you all the string (plain text) values in ram

Add all unversioned files to svn
No need for grep, let awk do the match. This will not behave properly if the filenames contains whitespace, which is awk's default field separator.

Load your [git-controlled] working files into the vi arglist.
Branch name may be substituted, of course.

Awk: Perform a rolling average on a column of data
Sometimes jittery data hides trends, performing a rolling average can give a clearer view.

Create a mirror of a local folder, on a remote server
Create a exact mirror of the local folder "/root/files", on remote server 'remote_server' using SSH command (listening on port 22) (all files & folders on destination server/folder will be deleted)


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