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Length: 2416 (0x970)
Types: TextFile
Notes: UNIX file
Names: »mkpt.8«
└─⟦26887b7e0⟧ Bits:30009717 Comet 32 harddisk image
└─⟦28c352965⟧ »/a« UNIX Filesystem
└─⟦this⟧ »usr/man/cat8/NSC/mkpt.8«
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MKPT(8) UNIX Programmer's Manual MKPT(8)
NAME
mkpt - change the disk partition tables
DESCRIPTION
_▶08◀M_▶08◀k_▶08◀p_▶08◀t is a standalone program that may be used to edit the
drive header in order to modify the origin and/or size of
the filesystem partitions on a drive. The size of a par-
tition is specified in disk _▶08◀s_▶08◀e_▶08◀c_▶08◀t_▶08◀o_▶08◀r_▶08◀s, not filesystem
blocks.
_▶08◀M_▶08◀k_▶08◀p_▶08◀t uses the standard notation of the standalone I/O
library in identifying a partition to be modified. A par-
tition is specified as _▶08◀d_▶08◀c(_▶08◀x,_▶08◀y), where _▶08◀x refers to the unit
number of the drive, and _▶08◀y refers to the filesystem parti-
tion that is to be modified.
The program terminates when it receives a carriage return
in response to the prompt for a partition to modify.
Entering a carriage return in response to other prompts
will zero that field. Invalid input detected in any
response will cause a termination of that cycle, without
modifying any field changed during that cycle.
If a partition is to be changed, any filesystems that will
be affected by the changes should first be dumped to tape.
Next, run _▶08◀m_▶08◀k_▶08◀p_▶08◀t and make the appropriate modifications to
the partition table. A new filesystem should then be
built with _▶08◀m_▶08◀k_▶08◀f_▶08◀s(8). After the new filesystem has been
built, restore the affected filesystems from the dump
tape.
DIAGNOSTICS
The diagnostics are intended to be self explanatory.
FILES
/usr/include/sys/disk.h disk header
SEE ALSO
dc(4), dcutest(8)
BUGS
An equivalent facility that operates under a running UNIX
system should be available.
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