Why do different environments contain different command line options when calling man ls?
Does it mean that I should just use man command with options before using the bash options for each new environment which I use?
Why do different environtments contain different command line options when calling man -ls? (environments: codecademy, cb.vu)
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There's nothing magical about
ls- it's a program just like any other program. Specifically, one that' been around for a long time. as such, different environments may have slightly different versions or even different forks of it. It's usually safe to assume the common options (such as-l) would be available anywhere, but when in doubt - you should double check.