# Disk Free ```bash df -h ``` # Disk Usage ```bash du -sh /path/to/directory ``` - `-s` summarizes the total. - `-h` makes it human-readable. # Visualize Disk Usage ## NCurses Disk Usage ### Install ``` sudo apt install ncdu # Debian/Ubuntu sudo yum install ncdu # RHEL/CentOS sudo pacman -S ncdu # Arch ``` ### Use ```bash sudo ncdu / ```