3 ms·

GEM on the Atari ST supported the .app (short for "application") extension for gui executables. One of its components was the AES, short for Application Environ

by tom_ 2y ago

GEM on the Atari ST supported the .app (short for "application") extension for gui executables. One of its components was the AES, short for Application Environment Services. This stuff dates from the early to mid 1980s.