79 lines
1.6 KiB
Plaintext
79 lines
1.6 KiB
Plaintext
.TH root 7M
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.SH NAME
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root, rroot, usr, rusr, swap, rswap \- partition names
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.SH DESCRIPTION
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.BR root ,
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.BR rroot ,
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.BR usr ,
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.BR rusr ,
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.BR swap ,
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and
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.B rswap
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are the device special files providing access to important
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partitions on the root disk drive of a system. These links
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are made by the
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.IR MAKEDEV (1m)
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script, and map to fixed partitions, even if not used that way
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by local conventions. Therefore it is best not to change these links,
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if you intend to use different partition layouts, but rather to use
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the full device name
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.RI ( /dev/dsk/dks* )
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instead, particular in
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.IR fstab (4).
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The names beginning
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with \f3r\f1 are the raw (character) device access; the others are
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the block device access, which uses the kernel buffer system.
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.PP
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The standard system drive partition allocation shipped by Silicon Graphics has
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.B root
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on partition 0 and
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.B swap
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on partition 1.
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Partition 7 is the entire
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usable
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portion of the disk (excluding the volume header) and is normally
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used for
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.I option
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drives, rather than the system drive.
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Partition 8 is the volume header (see
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.IR vh (7M),
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.IR prtvtoc (1M),
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and
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.IR dvhtool (1M)).
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Partition 10 (\f4vol\fP) is the entire drive.
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.PP
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The standard system with SCSI drives usually has
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.I /dev/root
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linked to
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.IR /dev/dsk/dks0d1s0 ,
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.I /dev/swap
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linked to
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.IR /dev/dsk/dks0d1s1 ,
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and (if / and /usr are seperate filesystems, a
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.I usrroot
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partitioning),
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.I /dev/usr
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linked to
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.IR /dev/dsk/dks0d1s6 .
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.SH FILES
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.br
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/dev/dsk/dks*
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.br
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/dev/rdsk/dks*
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.br
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/dev/root
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.br
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/dev/usr
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.br
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/dev/swap
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.br
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/dev/rvh
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.SH SEE ALSO
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MAKEDEV(1M),
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dvhtool(1M),
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fx(1M),
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prtvtoc(1M),
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fstab(4),
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dksc(7M),
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vh(7M).
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