| 1 | .TH MOUNT 1M |
| 2 | .SH NAME |
| 3 | mount, umount \- mount and dismount file system |
| 4 | .SH SYNOPSIS |
| 5 | .B /etc/mount |
| 6 | [ special name [ |
| 7 | .B \-r |
| 8 | ] ] |
| 9 | .PP |
| 10 | .B /etc/umount |
| 11 | special |
| 12 | .SH DESCRIPTION |
| 13 | .I Mount |
| 14 | announces to the system that a removable file system |
| 15 | is present on the device |
| 16 | .I special. |
| 17 | The file |
| 18 | .I name |
| 19 | must exist already; it |
| 20 | must be a directory (unless the root of the |
| 21 | mounted file system is not a directory). |
| 22 | It becomes the name of the newly mounted root. |
| 23 | The optional last argument indicates that the file system |
| 24 | is to be mounted read-only. |
| 25 | .PP |
| 26 | .I Umount |
| 27 | announces to the system that the removable file system previously |
| 28 | mounted on device |
| 29 | .I special |
| 30 | is to be removed. |
| 31 | .PP |
| 32 | These commands |
| 33 | maintain a table of mounted devices. |
| 34 | If invoked without an argument, |
| 35 | .I mount |
| 36 | prints the table. |
| 37 | .PP |
| 38 | Physically write-protected and magnetic tape file |
| 39 | systems must be mounted read-only |
| 40 | or errors will occur when access times are updated, |
| 41 | whether or not any explicit write is attempted. |
| 42 | .SH FILES |
| 43 | /etc/mtab mount table |
| 44 | .SH "SEE ALSO" |
| 45 | mount(2), |
| 46 | mtab(5) |
| 47 | .SH BUGS |
| 48 | Mounting file systems full of garbage will crash the system. |
| 49 | .br |
| 50 | Mounting a root directory on a non-directory |
| 51 | makes some apparently good pathnames invalid. |