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The app provides various subcommands, which can also be invoked based on its name. Symlinks are used to expose the subcommands as regular app names. My rewording/simplification of the description


Symlinks or hardlinks.


I've generally seen symlinks, but it wouldn't really matter. It's just checking argument 0, the program name, and branching off that.


Just going by what's in the parent quote.




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