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dump Command - Backup Filesystems
The dump command is used to back up filesystems to disk, tape, or other storage devices. It is commonly used for full and incremental backups of ext2/ext3/ext4 filesystems on Linux systems.
Syntax
dump [options] [parameters] filesystem
Examples
dump -0u -f /backup/root.dump /
Perform a full (level 0) backup of the root filesystem to /backup/root.dump.
dump -1u -f /backup/home.dump /home
Perform an incremental (level 1) backup of the /home filesystem.
dump -W
List filesystems that need to be backed up.
Notes
- dump is mainly used for ext2/ext3/ext4 filesystems.
- Root privileges are required to back up system filesystems.
- Use
restorecommand to recover data from dump backups.
