OS/8 slide 3

• Useful programs cont.:
• Batch – Execute programs from script. No conditional.
• Build – Configure system.
• Provides primitive support to programs.
• Provides command line parsing
• You need to call into OS to load device handler into memory you specify
• To write to a new file you request a tentative file and OS gives size and start block. You need to track usage to specify where to write and actual size written when close.
• File size only known to 256 words. File format must be able to determine end if needed. PAL uses $ to mark end. ^Z also used.