Thanks to jujav4ik.
Become root: su – ;
Open ‘Run Application’: Alt+F2;
Go to directory: cd /home/$USER/–location–; (Desktop)
cd ~/–location– to move from your current location;
Manual: man is; is == list;
Print working directory: pwd;
Know, which user are you now: whoami;
Check the Vim directory: whereis vim;
Open source file with Vim (while in directory): vim filename;
Go to console while in Vim: Shift + ‘:’
w == write;
wq == write and quit;
q! == close without saving;
Compile source file: gcc filename;
Open compiled file: ./filename.out;
