At My High School (many Years Ago) Over A Dozen Polymorphic 88 S-100 Computers Were Used To Teach Computer Lit In The Math Department.

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At my high school (many years ago) over a dozen Polymorphic 88 S-100
computers were used to teach computer lit in the math department. Now I
was the curious type and I took to reading the supplementary documentation
to the operating system and I implemented a number of nasty suprises for
the other students.

NOTE: These changes were never to the boot tape just to the currently
running copy, so the changes dissapeared when the system was rebooted.

1. Change the prompt to some strange greek character that no-one knew
existed in the machine before.

2. Change the opening logo to something humerious and strange like Muppet
Labs Operating System V.0.1

3. Change the (Go to Monitor) command to return. To leave monitor a
command must be entered which is terminated by return, which is no longer
available from the keyboard and results with the screen clearing and the
monitor all fresh and ready to accept a command! Very nasty!

[Englishmania - It's not English, but an INCREDIBLE simulation!]