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| 1 | .TH FSTAB 5
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| 2 | .SH NAME
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| 3 | fstab, mtab \- list of file systems to mount, mounted file system table.
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| 4 | .SH SYNOPSIS
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| 5 | .B /etc/fstab
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| 6 | .sp
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| 7 | .B /etc/mtab
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| 8 | .SH DESCRIPTION
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| 9 | .B /etc/fstab
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| 10 | is a table of file system to mount at boot time,
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| 11 | .B /etc/mtab
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| 12 | is a table of currently mounted file systems as maintained by
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| 13 | .B mount
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| 14 | and
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| 15 | .BR umount .
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| 16 | .PP
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| 17 | .B /etc/fstab
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| 18 | is not read by
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| 19 | .B mount
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| 20 | as it should be. It is instead a simple shell script listing the two or
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| 21 | three devices that MINIX 3 needs to operate: The device names of the root
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| 22 | file system, the swap file system (optional), and the file system for
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| 23 | .BR /usr .
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| 24 | .PP
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| 25 | .B /etc/mtab
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| 26 | contains lines of four fields. The layout is:
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| 27 | .sp
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| 28 | .RS
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| 29 | .nf
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| 30 | .ft B
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| 31 | .ta +10n +13n +8n
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| 32 | device directory type options
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| 33 | .ft P
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| 34 | .fi
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| 35 | .RE
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| 36 | .PP
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| 37 | These fields may be explained as follows:
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| 38 | .sp
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| 39 | .B device
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| 40 | .br
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| 41 | .RS
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| 42 | A block special device.
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| 43 | .RE
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| 44 | .sp
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| 45 | .B directory
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| 46 | .br
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| 47 | .RS
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| 48 | Mount point.
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| 49 | .RE
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| 50 | .sp
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| 51 | .B type
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| 52 | .br
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| 53 | .RS
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| 54 | Either
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| 55 | .BR 1 ,
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| 56 | .BR 2 ,
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| 57 | or
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| 58 | .BR swap ,
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| 59 | indicating a V1 or a V2 file system, or swap space.
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| 60 | .RE
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| 61 | .sp
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| 62 | .B options
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| 63 | .br
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| 64 | .RS
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| 65 | Either
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| 66 | .BR ro ,
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| 67 | or
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| 68 | .BR rw ,
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| 69 | indicating a read-only or read-write mounted file system.
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| 70 | .RE
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| 71 | .SH FILES
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| 72 | .TP 15n
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| 73 | .B /etc/fstab
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| 74 | Shell script naming three important file systems.
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| 75 | .TP
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| 76 | .B /etc/mtab
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| 77 | List of mounted file systems.
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| 78 | .SH "SEE ALSO"
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| 79 | .BR printroot (8),
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| 80 | .BR mount (1),
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| 81 | .BR fsck (1),
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| 82 | .BR mkfs (1).
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| 83 | .SH BUGS
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| 84 | .B /etc/fstab
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| 85 | is a joke.
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| 86 | .SH AUTHOR
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| 87 | Kees J. Bot (kjb@cs.vu.nl)
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