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Extract the MBR ID of a device
Useful when you want to know the mbrid of a device - for the purpose of making it bootable. Certain hybridiso distros, for eg the OpenSUSE live ISO uses the mbrid to find the live media. Use this command to find out the mbrid of your USB drive and then edit the /grub/mbrid file to match it.

Show a passive popup in KDE
Display a passive popup during seconds. Additionnaly, --title can be used to set the title of the popup. This is a nice way to communicate with a desktop user of a machine you have an SSH access on : DISPLAY=:0 sudo -u $user -H kdialog --passivepopup "Hello you" 10 --title "cli IM"

disable history for current shell session
this will cause any commands that you have executed in the current shell session to not be written in your bash_history file upon logout

phpinfo from the command line

Kill any lingering ssh processes
Also ignoring "sshd" server is necessary since you should not kill ssh server processes.

Find how far nested you are in subshells

list files recursively by size

See system users

get all Google ipv4 subnets for a iptables firewall for example

Diff 2 file struct - Useful for branch diff and jars diff(uncompressed)
This is usefull to diff 2 paths in branches of software, or in different versions of a same zip file. So you can get the real file diff.


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