ctrl + L - clean terminal ctrl + R - search in bash history alt + . - list of command arguments
pwd - acutal workspace path cd ~ - go to acutal user home directory ls -lart - list files (include dot files, attributes, order by newest) ps aux - list of running processes top - task / process manager ip a s - show network interfacces cat /etc/os-* - show os release
nc -vvv [host] [port] telnet [host] [port]