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()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()
()                                                                          ()
()                       Pdp-11 Basic plus programming                      ()
()                                   by                                     ()
()                  Executive Hacker & Corporate Criminal                   ()
()                                  |CEO|                                   ()
()()()()()()()()()()()()(|Chief Executive Officers|)()()()()()()()()()()()()()
 
The Pdp-11 by Digital Systems is a quite old machine, apoximatley 10 years,
but some of them are still running, mostly in schools.  One of the more popular
operating systems, Rsts/e features BASIC plus programing language, though the
following information on it was taken mainly from and RT-11 and CS-360 
operating systems manuals, it is applicable to Rsts/e.  I have, based on my
knowledge of it, compliled a summary of all the commands, with a brief comment
about each one:
 
 
CALL "function name" [(argument list)]
-used to call assembly language user functions from a BASIC program.
 
Chain "file descriptor"[Line nubmer]
-Terminates execution of user program, loads and executes the specified program
 starting at the line number, if included."
 
Close [{file #n/Virtual mem. file #n}]
-Closes the logical file specified.  If no file is specified, closes all files 
 which are open.
 
DATA data list
-Used in conjunction with READ to input data into an executing program.
 
DEF Fnletter (argument)=expression
-Defines a user function ot be used in the program (letter is any alphabetic
 letter).
 
DIM variable(n), variable(n,m),variable$(n),variable$(n,m)
-Reserves space for lists and tables according to subscripts specified after
 variable name.
 
DOWNLOADED FROM P-80 SYSTEMS........