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Annotation of researchv10dc/man/adm/man8/mount.8, revision 1.1.1.1

1.1       root        1: .TH MOUNT 8
                      2: .CT 1 sa_nonmortals
                      3: .SH NAME
                      4: mount, umount \- mount and dismount file system
                      5: .SH SYNOPSIS
                      6: .B /etc/mount
                      7: [
                      8: .I special name
                      9: [
                     10: .I fstype
                     11: [
                     12: .I flags
                     13: ] ] ]
                     14: .PP
                     15: .B /etc/mount
                     16: .B -a
                     17: .PP
                     18: .B /etc/mount
                     19: [
                     20: .I special name
                     21: [
                     22: .B -r
                     23: ]
                     24: ]
                     25: .PP
                     26: .B /etc/umount
                     27: .I name
                     28: .PP
                     29: .B /etc/umount
                     30: .B -a
                     31: .SH DESCRIPTION
                     32: .I Mount
                     33: announces to the system that a removable file system
                     34: of type
                     35: .I fstype
                     36: is present on the file
                     37: .I special.
                     38: The file
                     39: .I name
                     40: must exist already;
                     41: it becomes the name of the newly mounted root.
                     42: .I Fstype
                     43: and
                     44: .I flags
                     45: are integers;
                     46: if omitted,
                     47: they default to 0.
                     48: Type 0
                     49: is an ordinary disk file system.
                     50: Other types
                     51: and possible flag values
                     52: are listed in
                     53: .IR fmount (2).
                     54: .PP
                     55: The shorthand
                     56: .B "mount special file -r"
                     57: is equivalent to
                     58: .BR "mount special file 0 1" :
                     59: mount an ordinary file system
                     60: read-only.
                     61: .PP
                     62: If option
                     63: .B -a
                     64: is present,
                     65: .I mount
                     66: attempts to mount, in order, every file system listed in
                     67: .IR fstab (5).
                     68: .PP
                     69: .I Umount
                     70: announces to the system that the file system mounted on file 
                     71: .I name
                     72: is to be removed.
                     73: .PP
                     74: These commands
                     75: maintain a table of mounted file systems in
                     76: .FR /etc/mtab ;
                     77: see
                     78: .IR fstab (5).
                     79: If invoked without an argument,
                     80: .I mount
                     81: prints the table.
                     82: If option
                     83: .B -a
                     84: is present,
                     85: .I umount
                     86: attempts to remove, in reverse order, each file system listed in
                     87: .IR mtab .
                     88: .PP
                     89: Physically write-protected and magnetic tape file
                     90: systems must be mounted read-only
                     91: or errors will occur when access times are updated,
                     92: even if no explicit write is attempted.
                     93: .SH EXAMPLES
                     94: .TP
                     95: .B "/etc/mount /dev/ra02 /usr"
                     96: Mount the file system on disk
                     97: .L /dev/ra02
                     98: on directory
                     99: .LR /usr .
                    100: .TP
                    101: .B "/etc/mount /dev/null /proc 2"      
                    102: Mount the process file system.
                    103: .SH FILES
                    104: .TF /etc/fstab
                    105: .TP
                    106: .F /etc/mtab
                    107: mount table
                    108: .TP
                    109: .F /etc/fstab
                    110: file system table
                    111: .SH "SEE ALSO"
                    112: .IR fmount (2),
                    113: .IR fstab (5), 
                    114: .IR netfs (8)
                    115: .SH BUGS
                    116: Mounting file systems full of garbage may crash the system.
                    117: .br
                    118: Mounting a root directory on a non-directory
                    119: makes some apparently good pathnames invalid.

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