Here's a list of the commands involving file backup:
Table 9-1. New commands in chapter 9: Backup
| Command | Meaning | 
|---|---|
| bzip2 | A block-sorting file compressor. | 
| cdrecord | Record audio or data Compact Disks from a master. | 
| dd | Convert and copy a file | 
| fdformat | Low-level formats a floppy disk. | 
| gpg | Encrypt and decrypt data. | 
| gzip | Compress or expand files. | 
| mcopy | Copy MSDOS files to/from UNIX. | 
| mdir | Display an MSDOS directory. | 
| mformat | Add an MSDOS file system to a low-level formatted floppy disk. | 
| mkbootdisk | Creates a stand-alone boot floppy for the running system. | 
| mount | Mount a file system (integrate it with the current file system by connecting it to a mount point). | 
| rsync | Synchronize directories. | 
| tar | Tape archiving utility, also used for making archives on disk instead of on tape. | 
| umount | Unmount file systems. |