Man pages can be tricky as the content can vary distro by distro (how up to date is your copy of man-pages, what changes have happened, etc.) - this technique i

Man pages can be tricky as the content can vary distro by distro (how up to date is your copy of man-pages, what changes have happened, etc.) - this technique is pretty portable to extract the synopsis of a man page specifically due to the format it uses (most times I'd use like grep -A3 -B2 foo /some/file, e.g.).