different types of backup in linux.

Backup: Backup is a method for save and recover the data when needed.

External Backup: DUMP

Local Backup: CPIO (copy in copy out)

Remote /Network Backup: SCP (secure copy), RSYNS (remote synchronization)

Dump: It provides a great facility to take the backup and restore of Ext2 and Ext3 file system, with Full and Incremental backup methods.

It allows 0-9 levels to take backups and restores, with these levels we can do backup /recovery and identity of Full / Incremental backups.

Full Backup: It takes backup of entire file system on hard-drive/ volumes.

We can take full backup in first time with “0” level.

Incremental Backup: It is next level Backup to take the modified, newly created files after Full Backup; we can take these backups up to 1 to 9 levels.