TOPS-10 Monitor Calls Manual Volume 2 AA-K039D ... - Trailing-Edge

DSKCHR [CALLI 45]
5 . DCUCH
The size characteristics are:
Bits Symbol Meaning:
0-8 DC.UCC Number of blocks per cluster.
9-17 DC.UCT Number of blocks per track.
18-35 DC.UCY Number of blocks per cylinder.
6 .DCUSZ
7 .DCSMT
10 .DCWPS
11 . DCSPU
12 . DCK4S
13 .DCSAJ
Number of 128-word blocks on the unit.
Mount count for the structure. This count 1S the
number of jobs that performed a MOUNT command for
this file structure without executing a DISMOUNT
command. Note that LOGIN performs an implied
MOUNT of all structures in DSK, the default job
search list.
Number of words per SAT block.
Number of SAT blocks for each unit .
Space (in K) allocated for swapping .
Mount word for the structure:
Value
Meaning
0, , 0 No job or more than one job has the
structure mounted.
-1, ,n One job (number n) has the structure
mounted and the structure is not
single-access.
0, ,n One job (number n) has the structure
mounted and -the structure is
single-access.
14 . DCULN
15 . DCUPN
16 .DCUID
17 .DCUFS
SIXBIT logical name of the unit .
SIXBIT physical name of the unit.
SIXBIT identification of the unit.
First logical block to be used for swapping.
20 . DCBUM
21 . DCCYL
Number of blocks per unit
cylinders) .
Current cylinder number.
(including maintenance
22 . DCBUC
23 .DCLPQ
24 . DCLTQ
25 . DCALT
26 . DCOWN
Number of blocks per unit in PDP-II
mode.
Length of the position wait queue.
Length of the transfer wait queue.
Unit name for alternate port.
Owner PPN of structure .
compatibility
27 . DCPAS
Position in active swapping list if argument was a
physical unit; -1 if not in list.
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