| CRN 0268 | DISPLAY-DISK-FILE |
PERIPHERAL SERVICE ROUTINES
(A)....................... (B).................
(C)...........................(D).(E)
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LOGICAL DEVICE = (1)..
FILE NUMBER = (2)..
MAXIMUM FILE LENGTH = (3)..
CURRENT FILE LENGTH = (4)..
RECORD LENGTH = (5)..
NUMBER OF CLUSTERS = (6)..
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(9)....... (10).. (11).. (12).. (13) (14)
(15). (16). (17) (18) (19) (20) (21) (22) (23) (24) (25)....
REPORT REFERENCE NUMBER = 0222
| Par. No. | Meaning | Remarks |
|---|---|---|
| (A) | command name | |
| (B) | main execution result | |
| (C) | result part type | |
| (D) | result part number | |
| (E) | continuation indicator | |
| (1) | Logical device | Refer to SI 013 |
| (2) | File number | |
| (3) | Maximum file length | Maximum length in records |
| (4) | Current file length | Length in records |
| (5) | Record length | Record length in bytes |
| (6) | Number of clusters | |
| (9) | First block | Occupies storage file beginning
with this block number |
| (10) | Related blocks of the file | A file have according to the file
descriptor block a maximum block length. It is displayed here as number of blocks |
| (11) | Used blocks | Current file length in 2 Kbyte
blocks |
| (12) | Numer of bytes in the last block | Parameter to determine the actual
file length |
| (13) | Next link,- block offset | In the file management used value |
| (14) | Next link,- block index | In the file management used value |
| (15) | Record number | |
| (16) | Continuous number of bytes of a record | |
| (17) | Hexadecimal value of the byte | |
| (18) | Hexadecimal value of the byte | |
| (19) | Hexadecimal value of the byte | |
| (20) | Hexadecimal value of the byte | |
| (21) | Hexadecimal value of the byte | |
| (22) | Hexadecimal value of the byte | |
| (23) | Hexadecimal value of the byte | |
| (24) | Hexadecimal value of the byte | |
| (25) | ASCII-Values of the appropriate byte |