blkid

The `blkid` command locate and print block device attributes including UUID and filesystem type. Disk commands handle low-level storage operations including partitioning, formatting, filesystem checks, and block device management.

These tools are critical during system installation, storage expansion, data recovery, and performance tuning. Always exercise caution — disk operations can cause data loss if used incorrectly.

The command accepts 4 commonly used flags shown above, though the full set of options is available in the man page (`man blkid`). The 4 examples on this page cover typical real-world usage patterns that you can copy and adapt for your own workflows.