factor command for Linux will find the prime factors of any number that is entered as STDIN. Look below for an example.
4.4 Thu Aug 30 jason@Yog-Sothoth 0: $ factor 2018 2018: 2 1009
Use this command to create an old-fashioned Dot-Matrix printer banner. This is very useful if there is a Dot-Matrix printer laying around your place.
4.4 Thu Aug 30 jason@Yog-Sothoth 0: $ printerbanner Message: Ubuntu
Use the Linux
type command to print out what type of command a particular Linux command is.
4.4 Thu Aug 30 jason@Yog-Sothoth 0: $ type ls ls is /bin/ls
4.4 Thu Aug 30 jason@Yog-Sothoth 0: $ type windows95 windows95 is /usr/bin/windows95
convert command will come in handy when you are needing to quickly convert an image from one format to another.
19:03:44 flynn@flynn-grid-runner [~]$ convert shot0001.png shot0001.jpg
This implementation of the mencoder command will convert a video recorded with recordmydesktop or VLC to a format suitable for Youtube.
19:04:03 flynn@flynn-grid-runner [~]$ mencoder vlc-record-2012-08-29-22h51m15s-v4l2____dev_video0-.avi -ovc xvid -xvidencopts bitrate=1900:trellis -oac mp3lame -o out.avi
More awesome shell tricks in this post.
Using brace expansion to create folders on the Linux filesystem.
Some miscellaneous Linux tips. Some useful commands.
More miscellaneous Linux tips for mastering your Linux system.