Treemap listing the contents of a directory

Capture signals and other events and execute commands.

Display the path between packets and hosts

Track the routing information passed by the destination host

Replace, compress and delete characters

Initialize and operate terminal sessions through the terminfo database

Create new empty file

Display or manage running programs

Tmux is an excellent terminal reuse software, similar to GNU Screen, but comes from OpenBSD and is licensed by BSD.

Display system load status

Displays the accumulated process time.

Used to set or query system time, date, time zone and other configurations in Linux.