timeshift: take snapshots of system and can perform system recovery.
ncdu: drive capacity analysis, easily identify which directories are using the most space.
htop: CLI system monitor highly configurable.
apropos: command to search for CLI commands using keywords.
man: search for manual in the shell.
neofetch: List system information in a nice display
ctrl+k, v => Preview markdown files.
fixes bugs with mouse and touchpad
sudo modprobe -r psmouse
sudo modprobe psmouse