The dollar sign ($) is one of the most recognized currency symbols in the world. But where did this familiar emblem come from? It's believed to have originated from shorthand for the Spanish peso, PS, ...
The dollar sign ($) is sometimes used to indicate a hexadecimal number. For example, $3E0 is the hex number 3E0. In the Unix world, all Unix shells support the use of the $ as a prefix to the name of ...
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