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Image Storage

The file handling commands present a view of the disk as:-

  1. The current image
  2. The GLANCE file
  3. A set of RUN files
  4. A set of STORE files
  5. A set of TEMporary files

The current image can always be referred to as IMAGE and the GLANCE file as GFILE. A set of variables Rn, Sn and Tn can be used as shorthand to refer to RUN, STORE and TEMPorary files. For example R1 is RUN 1. GFILE is the same as R0, where filename is SYS:DETOBS.000.

Examples

Adam:> ADD GFILE R1 T1

adds the glance file to RUN 1 and stores the result in TEMP 1.

QFILES or PRINT IMAGE will always give the name of the current image, and IMAGE = < val> will alter the current image. For example to make the current image the first STORE file:-

Adam:> IMAGE=S1

The command CCDINIT (Section 2.2) restores the GLANCE file if it is accidentally deleted.


Fri Jun 10 17:31:56 BST 1994