disktab man page on Ultrix

disktab man page on Ultrix

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disktab(5)							    disktab(5)

Name
       disktab - disk description file

Syntax
       #include <disktab.h>

Description
       The  file is a simple data base that describes disk geometries and disk
       partition characteristics.  The format is patterned after the  terminal
       data  base.   Entries  in  consist  of  a number of fields separated by
       colons (:).  The first entry for each disk gives	 the  names  that  are
       known  for  the	disk,  separated  by vertical bars (|).	 The last name
       given should be a long name fully identifying the disk.

       The following list indicates the normal values  stored  for  each  disk
       entry:
       Name Type Description
       ns   num	 Number of sectors per track
       nt   num	 Number of tracks per cylinder
       nc   num	 Total number of cylinders on the disk
       ba   num	 Block size for partition `a' (bytes)
       bd   num	 Block size for partition `d' (bytes)
       be   num	 Block size for partition `e' (bytes)
       bf   num	 Block size for partition `f' (bytes)
       bg   num	 Block size for partition `g' (bytes)
       bh   num	 Block size for partition `h' (bytes)
       fa   num	 Fragment size for partition `a' (bytes)
       fd   num	 Fragment size for partition `d' (bytes)
       fe   num	 Fragment size for partition `e' (bytes)
       ff   num	 Fragment size for partition `f' (bytes)
       fg   num	 Fragment size for partition `g' (bytes)
       fh   num	 Fragment size for partition `h' (bytes)
       pa   num	 Size of partition `a' in sectors
       pb   num	 Size of partition `b' in sectors
       pc   num	 Size of partition `c' in sectors
       pd   num	 Size of partition `d' in sectors
       pe   num	 Size of partition `e' in sectors
       pf   num	 Size of partition `f' in sectors
       pg   num	 Size of partition `g' in sectors
       ph   num	 Size of partition `h' in sectors
       se   num	 Sector size in bytes
       ty   str	 Type of disk (e.g. removable, winchester)

       The entries can be automatically generated with the program.

Files
See Also
       chpt(8), newfs(8)

								    disktab(5)

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