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1.1 root 1: .TH DISKTAB 5 "2 March 1983"
2: .UC 4
3: .SH NAME
4: disktab \- disk description file
5: .SH SYNOPSIS
6: .B #include <disktab.h>
7: .SH DESCRIPTION
8: .I Disktab
9: is a simple date base which describes disk geometries and
10: disk partition characteristics. The format is patterned
11: after the
12: .IR termcap (5)
13: terminal data base. Entries in
14: .I disktab
15: consist of a number of `:' separated fields. The
16: first entry for each disk gives the names which are
17: known for the disk, separated by `|' characters. The
18: last name given should be a long name fully identifying
19: the disk.
20: .PP
21: The following list indicates the normal values
22: stored for each disk entry.
23: .nf
24:
25: .ta \w'Name 'u +\w'Type 'u
26: \fBName Type Description\fP
27: ns num Number of sectors per track
28: nt num Number of tracks per cylinder
29: nc num Total number of cylinders on the disk
30: ba num Block size for partition `a' (bytes)
31: bd num Block size for partition `d' (bytes)
32: be num Block size for partition `e' (bytes)
33: bf num Block size for partition `f' (bytes)
34: bg num Block size for partition `g' (bytes)
35: bh num Block size for partition `h' (bytes)
36: fa num Fragment size for partition `a' (bytes)
37: fd num Fragment size for partition `d' (bytes)
38: fe num Fragment size for partition `e' (bytes)
39: ff num Fragment size for partition `f' (bytes)
40: fg num Fragment size for partition `g' (bytes)
41: fh num Fragment size for partition `h' (bytes)
42: pa num Size of partition `a' in sectors
43: pb num Size of partition `b' in sectors
44: pc num Size of partition `c' in sectors
45: pd num Size of partition `d' in sectors
46: pe num Size of partition `e' in sectors
47: pf num Size of partition `f' in sectors
48: pg num Size of partition `g' in sectors
49: ph num Size of partition `h' in sectors
50: se num Sector size in bytes
51: ty str Type of disk (e.g. removable, winchester)
52: .fi
53: .SH FILES
54: /etc/disktab
55: .SH "SEE ALSO"
56: newfs(8)
57: .SH BUGS
58: This file shouldn't exist, the information should be
59: stored on each disk pack.
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