| backup | Backs up files and file systems. |
| compress | Compresses and expands data. |
| cpio | Copies files into and out of archive storage and directories. |
| fdformat | Formats diskettes. |
| flcopy | Copies to and from diskettes. |
| format | Formats diskettes. |
| fsck | Checks file system consistency and interactively repairs the file system. |
| pack | Compresses files. |
| restore | Copies previously backed-up file systems or files, created by the backup command, from a local device. |
| tapechk | Performs consistency checking of the streaming tape device. |
| tar | Manipulates archives. |
| tcopy | Copies a magnetic tape. |
| uncompress | Compresses and expands data. |
| unpack | Expands files. |
Chapter 4, Input and Output Redirection
Chapter 9, File and System Security