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Monitor a file's size

Find the package that installed a command

Find all SUID binaries

View all new log messages in real time with color
This will show all changes in all log files under /var/log/ that are regular files and don't end with `gz` nor with a number

See a full list of compiler defined symbols
From http://lists.debian.org/debian-devel/2001/01/msg00971.html .

Find usb device in realtime
Using this command you can track a moment when usb device was attached.

list block devices
Shows all block devices in a tree with descruptions of what they are.

Force the script to be started as root
Place this code at the beginning of your script to ensure that it can only be executed by the root.

Find usb device in realtime
Using this command you can track a moment when usb device was attached.

Backup with versioning
Apart from an exact copy of your recent contents, also keep all earlier versions of files and folders that were modified or deleted. Inspired by EVACopy http://evacopy.sourceforge.net

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