Unix System info commands:
Command Description Syntax Example uname -a Display system information uname -a Darwin MacBook-Pro.local 20.2.0 Darwin Kernel Version 20.2.0: Fri Nov 13 20:45:48 PST 2020; root:xnu-7 df -h Display free disk space df -h Filesystem Size Used Avail Use% Mounted on <br> /dev/sda1 30G 5.4G 24G 19% / du -sh <directory> Display the size of a …