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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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