Experts think this is more than 40,000 years old and was made by Neanderthals or an earlier species of human.
The way color works in the terminal is that you echo a sequence like \x1b[38:5:161m to tell the terminal “use color 161 (red) for the foreground.” Then all characters have a foreground color of 161 until you “reset” by sending the sequence \x1b[0m.
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In 1970, IBM had replaced the System/360 line with the System/370. The 370 is