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1.1 ! root 1: .\" Copyright (c) 1980 Regents of the University of California. ! 2: .\" All rights reserved. The Berkeley software License Agreement ! 3: .\" specifies the terms and conditions for redistribution. ! 4: .\" ! 5: .\" @(#)mount.8 6.1 (Berkeley) 4/27/85 ! 6: .\" ! 7: .TH MOUNT 8 "April 27, 1985" ! 8: .UC 4 ! 9: .SH NAME ! 10: mount, umount \- mount and dismount file system ! 11: .SH SYNOPSIS ! 12: .B /etc/mount ! 13: [ special name [ ! 14: .B \-r ! 15: ] ] ! 16: .PP ! 17: .B /etc/mount ! 18: .B \-a ! 19: .PP ! 20: .B /etc/umount ! 21: special ! 22: .PP ! 23: .B /etc/umount ! 24: .B \-a ! 25: .SH DESCRIPTION ! 26: .I Mount ! 27: announces to the system that a removable file system ! 28: is present on the device ! 29: .I special. ! 30: The file ! 31: .I name ! 32: must exist already; it ! 33: must be a directory (unless the root of the ! 34: mounted file system is not a directory). ! 35: It becomes the name of the newly mounted root. ! 36: The optional argument ! 37: .B \-r ! 38: indicates that the file system ! 39: is to be mounted read-only. ! 40: .PP ! 41: .I Umount ! 42: announces to the system that the removable file system previously ! 43: mounted on device ! 44: .I special ! 45: is to be removed. ! 46: .PP ! 47: If the ! 48: .B \-a ! 49: option is present for either ! 50: .I mount ! 51: or ! 52: .I umount, ! 53: all of the file systems described in ! 54: .I /etc/fstab ! 55: are attempted to be mounted or unmounted. ! 56: In this case, ! 57: .I special ! 58: and ! 59: .I name ! 60: are taken from ! 61: .I /etc/fstab. ! 62: The ! 63: .I special ! 64: file name from ! 65: .I /etc/fstab ! 66: is the block special name. ! 67: .PP ! 68: These commands ! 69: maintain a table of mounted devices in ! 70: .I /etc/mtab. ! 71: If invoked without an argument, ! 72: .I mount ! 73: prints the table. ! 74: .PP ! 75: Physically write-protected and magnetic tape file ! 76: systems must be mounted read-only ! 77: or errors will occur when access times are updated, ! 78: whether or not any explicit write is attempted. ! 79: .SH FILES ! 80: /etc/mtab mount table ! 81: .br ! 82: /etc/fstab file system table ! 83: .SH "SEE ALSO" ! 84: mount(2), ! 85: mtab(5), fstab(5) ! 86: .SH BUGS ! 87: Mounting file systems full of garbage will crash the system. ! 88: .br ! 89: Mounting a root directory on a non-directory ! 90: makes some apparently good pathnames invalid.
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