Commands by chemila (1)

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list files recursively by size

Clear your history saved into .bash_history file!
clears the history

get you public ip address

add static arp entry to default gateway, arp poison protection

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

find an unused unprivileged TCP port
perl-less way

launch bash without using any letters
ry4an@four:~$ echo $SHLVL 1 ry4an@four:~$ ${0/-/} ry4an@four:~$ echo $SHLVL 2

Quickly create an alias for changing into the current directory
Put the function in your .bashrc and use "map [alias]" to create the alias you want. Just be careful to not override an existing alias.

Join lines
Even shorter. Stolen from comment posted by eightmillion.

save date and time for each command in history
Date-time format: YYYY-MM-DD HH:MM:SS


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