V7/etc/passwd

Find at most related files.
including files from this version of Unix. 
root:VwL97VCAx1Qhs:0:1::/:
daemon:x:1:1::/:
sys::2:2::/usr/sys:
bin::3:3::/bin:
uucp::4:4::/usr/lib/uucp:/usr/lib/uucico
dmr::7:3::/usr/dmr: