df -h
df -h is a Linux command in the Disk & Storage category, rated intermediate difficulty. Shows filesystem disk usage in human-readable format. The syntax is df -h [filesystem]. It returns filesystem usage (human-readable). A practical example: df -h # All filesystems df -h / # Root partition A close relative is mount, which mounts a filesystem to make it accessible at a directory. A close relative is umount, which unmounts a mounted filesystem. A close relative is fdisk, which manages disk partition tables (create, delete, resize partitions). More about this category: Linux disk and storage commands — mount, umount, fdisk, lsblk, and more. Manage disks, partitions, and filesystems. Related Disk & Storage commands: mount, umount, fdisk, blkid, dd, lsblk, parted, mkfs. This page is part of the free Linux Reference documentation covering 304+ commands, each with syntax, options, practical examples, and a difficulty rating.