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Apple II Programmer's Reference

Here's a brief list of Applesoft, Integer Basic, DOS 3.3, and ProDOS commands with descriptions.

I found these in the back of a manual for II in a Mac, one of the first Apple II emulators that ran on the original Mac and Mac 512. It came out in 1985.

DOS 3.3 Reference
Binary File Commands  
BRUN name Executes the binary file 'name'.
BSAVE name ,A ,L Saves the file 'name' starting at A, with length L.
BLOAD name Loads the binary file 'name'.
BASIC Program Commands
FP Activates applesoft basic and clears any program currently in memory.
INT Activates integer basic and clears any program currently in memory.
RUN name Executes 'name' from disk.
LOAD name Loads 'name' from disk.
SAVE name Saves the current program as 'name' on disk.
INIT name Initializes a disk, erasing all data from it and setting the startup program to 'name'.
MAXFILES n Sets the maximum number of open files.
MON {,C} {,I} {,O} Selects whether Commands, Output, or Input are echoed to the screen.
NOMON {,C} {,I} {,O} Disables printing of DOS operations.
Programming Commands
CHAIN name Allows integer basic programs to run other integer basic program.
PR# n Re-directs output to slot n.
IN# n Re-directs input from slot n.
Filing Commands  
CATALOG Displays contents of the current disk directory.
RENAME oldname, newname Changes the name of a disk file.
DELETE name Deletes the file 'name'.
LOCK name Prevents the file 'name' from being deleted, renamed or changed.
UNLOCK name Removes file locking.
VERIFY name Checks to see than an entire file is readable.
Text File Commands  

OPEN name

Opens a text file for reading.
CLOSE name Closes a text file.
READ name Sets the file 'name' to read mode.
WRITE name Sets the file 'name' to write mode.
APPEND name Sets write mode for 'name' at the end of the current file.
POSITION name,x Moves the record pointer for 'name' to the position specified by x.
EXEC name Reads text from file 'name' entering it as though it were typed from the keyboard.
Links to other command sets: Applesoft | Integer Basic | ProDOS
July 7, 2009