[clug] Option, flag or switch

Bryan Kilgallin (iiNet) kilgallin at iinet.net.au
Thu Sep 14 08:39:02 UTC 2017


{In the original Unix tradition, command-line options are single letters 
preceded by a single hyphen... The original Unix style evolved on slow 
ASR-33 teletypes that made terseness a virtue; thus the single-letter 
options. Holding down the shift key required actual effort; thus the 
preference for lower case, and the use of “-” (rather than the perhaps 
more logical “+”) to enable options.}


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