| badblocks | scan device for bad blocks |
| blockdev | check some block device parameters |
| cgdisk | ncurses partition manager (gdisk frontend) |
| df | show free space |
| findmnt | show mounts |
| f3 | Utilities to detect and repair counterfeit flash storage |
| iostat | I/O statistics |
| iotop | I/O process statistics |
| ncdu | ncurses disk usage |
| vmtouch | learning about and controlling the file system cache |
| ranger | CLI file manager with vi-like keybinds |
| sar | from package sysstat, collects and reports system activity information |
| jdupes | find duplicates and deduplicate them with Btrfs |
| wipe | delete and overwrite files and folders in a secure manner |