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Annotation of researchv10dc/man/man5/fstab.5, revision 1.1.1.1

1.1       root        1: .TH FSTAB 5
                      2: .CT 2 sa
                      3: .SH NAME
                      4: fstab, mtab \- information about file systems
                      5: .SH SYNOPSIS
                      6: .B #include <fstab.h>
                      7: .SH DESCRIPTION
                      8: The file
                      9: .F /etc/fstab
                     10: describes the normal configuration of file systems.
                     11: It guides the default operation of
                     12: .I mount,
                     13: .I umount,
                     14: .I swapon,
                     15: and
                     16: .IR fsck (8).
                     17: The order of records in
                     18: .F /etc/fstab
                     19: is important.
                     20: .PP
                     21: Each line of the file describes one file system.
                     22: Fields separated by colons specify
                     23: .IP
                     24: pathname of block device or other mounted object
                     25: .br
                     26: pathname of mount point
                     27: .br
                     28: file system type number
                     29: .br
                     30: integer mount flags
                     31: .br
                     32: pass number for checking; see
                     33: .IR fsck (8)
                     34: .PP
                     35: File system type numbers
                     36: and flags are listed in
                     37: .IR fmount (2).
                     38: .PP
                     39: Two special non-numeric file system types
                     40: signify things that aren't file systems:
                     41: .L xx
                     42: causes the line to be ignored,
                     43: .L sw
                     44: signifies a swap device.
                     45: .PP
                     46: Use
                     47: .IR getfsent (3)
                     48: to read data from
                     49: .LR /etc/fstab .
                     50: .PP
                     51: The file
                     52: .F /etc/mtab
                     53: lists file systems currently mounted.
                     54: Each entry is a structure of the form
                     55: .PP
                     56: .nf
                     57: .ft L
                     58: .ta 8n +27n
                     59: #define FSNMLG 32
                     60: 
                     61: struct mtab {
                     62:        char file[FSNMLG];\fR   mount point\fP
                     63:        char spec[FSNMLG-1];\fR mounted object\fP
                     64:        char type;\fR   file system type\fP
                     65: };
                     66: .ft R
                     67: .fi
                     68: .SH EXAMPLES
                     69: A simple
                     70: .I fstab.
                     71: .IP
                     72: .EX
                     73: /dev/ra00:/:0:0:1
                     74: /dev/ra02:/usr:0:0:2
                     75: /dev/ra05:/tmp:0:0:3
                     76: /dev/ra10:/ra10:0:1:1
                     77: /dev/ra11::sw:0:0
                     78: /dev/ra15:/ra15:0:1:3
                     79: /dev/null:/proc:2:0:0
                     80: .EE
                     81: .SH FILES
                     82: .F /etc/fstab
                     83: .br
                     84: .F /etc/mtab
                     85: .SH SEE ALSO
                     86: .IR fmount (2),
                     87: .IR getfsent (3),
                     88: .IR mount (8)
                     89: .SH BUGS
                     90: Swap areas are not file systems,
                     91: and should not be described in
                     92: .IR fstab .
                     93: .br
                     94: For compatibility with old programs and habits,
                     95: two deprecated magic file system types survive:
                     96: .L rw
                     97: means `type 0, flag 0'
                     98: (a disk file system, mounted for reading and writing);
                     99: .L ro
                    100: means `type 0, flag 1'
                    101: (a disk file system, mounted read-only).
                    102: .br
                    103: Only file systems mounted with
                    104: .IR mount (8)
                    105: are listed in
                    106: .IR mtab .

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