Acorn computer econet level 2/3 User Manual page 51

To find out which version of BASIC you have
press: [BREAK]
then
type:
REPORT[RETURN]
A copyright message will come up on the screen. If the copyright
date is 1981, you have BASIC I; if it's 1982, you have BASIC II.
For Econet users, the important difference between the two
BASICs is in the keywords used to open files for random
access; they are set out in the section on Reading and writing to
files.
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