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/var/cache/man? (BSD,OSX)manuser? I don’t see one in OpenBSD, I don’t have access to a Mac to check there.man:*:9:9:Mister Man Pages:/usr/share/man:/usr/sbin/nologinmanuser was used forcatman; I don’t know whether it’s still useful nowadays. (System users tend to linger long after they cease being relevant, to avoid id re-use and ensure that old files on upgraded systems still have a meaningful owner.)