ALLOCATE-FILE

From NDWiki
Jump to navigation Jump to search
@ALLOCATE-FILE <file name>, <page address>, <number of pages>

Create and allocate a continuous file. The file is created on a specified area of a disk. The page size is always 1K words (2K bytes) and the page address is given as a page number from the start of the device, which is always page 0.

<file name>
(default type = DATA, default version = 1) optional version number specifies the number of versions allocated.
<page address>
(octal, 1--) page number on the device where the file is to start.
<number of pages>
(decimal, 1--) size of the contiguous file area.

Rules:

  1. Permitted for all users.
  2. If several versions are created, the are allocated one after the other. Version 1 will start at <page address>.
  3. The allocated area must not be already in use.

Example:

@ALLOCATE-FILE FILE-3, 100, 8

The contiguous file FILE-3 is allocated in default directory starting at address 100 (octal). Its size is 8 (decimal) pages.

Related commands

@ALLOCATE-NEW-VERSION

@CREATE-FILE

CRALF (monitor call)

References

Norsk Data Document ND–60.050.06 SINTRAN III USERS GUIDE section 3.4.1

Norsk Data Document ND–60.128.03 SINTRAN III REFERENCE MANUAL (printed February 1983), page 1-22

Norsk Data Document ND–60.174.Q01 SINTRAN III QUICK REFERENCE CARD