Job File Table: Difference between revisions

Revision as of 01:53, 22 September 2004

Revision as of 17:20, 28 March 2005

Line 7:

1 standard output

2 standard error

Handles 0-2 are connected to the console device. During programmprogram execution they can get modified (closed, redirected) like any other handle.

Because the size of the JFT in the PSP is limited to 20 bytes, you could originally only open 15 files (20-5 standard devices). As of MS-DOS 2.0 the Extended Job File Table was introduced, which allowed to open up to 254 files.