New to Terminal: Is a single dash used for abbreviated options and a double dash used for verbose options?

Take a look at the following image from the Git website ( Note how -q is an abbreviated form of --quiet and -p is an abbreviated form of --patch.

git stash example
I'm relatively new to Terminal. Is this one dash/abbreviated and two dashes/verbose pattern common to terminal programs (homebrew, npm, bower...)?
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Mark BullockQA EngineerCommented:
It depends on the program.
For example, ls and cd have no options beginning with --
That is a common practice, especially among programs that use getopt/getopt_long
The original UNIX command set used primarily single-letter flags (I'm talking circa 1975!). The "dd" command was an outlier.

Later development streams -- GNU being the first one I encountered -- introduced long option names, stemming from experience with other operating systems. When implementing programs to be work-alikes to the original UNIX commands, great pains were taken to provide backwards-compatible single-letter flags that were, usually, the first letter of the longer option name -- but it would not be correct to think of the single-letter flags as intentional "abbreviations". Thinking that would lead you to believe you can guess which single-letter flags there might be, which will frequently fail.

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If you are unsure of the option usage for a particular command (which might be any time you are not just repeating a previous command from your terminal history) you would probably want to consult the man page for that command.
jdanaAuthor Commented:
Thanks for all the great feedback.
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