A quick hack to change windows background randomly in autoexec.bat. Chooses a random jpeg from a directory, uses djpeg (included) to decompress the jpeg to a windows 24bit bitmap called randback.bmp. Written for Borland C/C++ v3 or DJGPP(GCC) compiler. Shows use of linked lists. Source code in C included.
Randback-v0.1.zip

Crackzip, brute force ZIP file password cracker, requires the dos version of pkunzip.exe
Crackzip-v0.1.zip

A hack to allow execuables to perform a CRC self check (anti tamper / anti virus). Written for Borland Turbo Pascal v6.0 or higher. Source code included.
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