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Hiding Files in HP48G series calculator

Posted by HPunk® on 5 Jan 2003, 11:12 a.m.

There is a hidden directory, at the HOME directory, which is called '' (empty name, null character(NOT TO CONFUSE with CHR 0)). The only way to get it is #15777h SYSEVAL(SYSRPL command NULLID). This program will do all procedure: « HOME #15777h SYSEVAL EVAL ». After an ON+A+F you will see 3 files, that SHOULDN'T be ever touched. But you can store anything you want into that directory; it will be hard to be found.

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