Manjaro Linux

Configuration file “/var/lib/sddm/.config/sddm-greeterrc” not writable

sudo chown -R sddm:sddm /var/lib/sddm/.config


Ubuntu Update and Upgrade

apt-get update && apt-get dist-upgrade -y && apt-get autoremove --purge -y && apt-get clean

pwd Displays the current username
whoami Shows the current working directory
history Shows all the commands that have been used
date Gives the present date
man Gives a guide for a particular command
who Shows the user who logged in to the system
w Same as who but shows the precesses as well
clear Clears the terminal
exit Exit and close current terminal