Why in interpreted languages the # normally introduces a comment? This question was asked in an exam on Shell Programming but I don't find any hint on why it's the #.
Any ideas?
Why in interpreted languages the # usually introduces a comment?
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make uses the #-comment construct; and sh, one the first shells, uses the same #-comment. The writers of later shells -- csh, ksh, bash, jsh, and more -- understood that it would be a burden on users if each were to have its own comment convention, particularly since all of these shell scripts can sort-of run under any shell.
To invent yet another comment convention would be to ensure that no one would use any newly-introduced shell.
The #-comment became a de facto standard very early in Unix history.
That's my take, anyway.
-- pete