Commands using sleep (289)

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Convert seconds to [DD:][HH:]MM:SS
Converts any number of seconds into days, hours, minutes and seconds. sec2dhms() { declare -i SS="$1" D=$(( SS / 86400 )) H=$(( SS % 86400 / 3600 )) M=$(( SS % 3600 / 60 )) S=$(( SS % 60 )) [ "$D" -gt 0 ] && echo -n "${D}:" [ "$H" -gt 0 ] && printf "%02g:" "$H" printf "%02g:%02g\n" "$M" "$S" }

An easter egg built into python to give you the Zen of Python

Write comments to your history.
A null operation with the name 'comment', allowing comments to be written to HISTFILE. Prepending '#' to a command will *not* write the command to the history file, although it will be available for the current session, thus '#' is not useful for keeping track of comments past the current session.

Time Synchronisation with NTP

Check Ram Speed and Type in Linux
from http://maysayadkaba.blogspot.com/2008/08/linux-check-ram-speed-and-type.html

Bash autocomplete case insensitive search
Change bash autocomplete case search to insensitive when pressing tab for completion.

batch convert Nikon RAW (nef) images to JPG
converts RAW files from a Nikon DSLR to jpg for easy viewing etc. requires ufraw package

List directories sorted by (human readable) size

Capitalize first letter of each word in a string
Ruby ftw

Advanced python tracing
Trace python statement execution and syscalls invoked during that simultaneously


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