This is the first Google search result for Primos emulator, so I'm updating the address of the emulator here too.

The Prime emulators are still online at em.prirun.org:

$ telnet em.prirun.com 8001
Trying 74.131.82.133...
Connected to em.prirun.com.
Escape character is '^]'.

Welcome to the Prime Computer 50-series emulator, running Primos rev 19.2!

Login as user guest, password pr1me
Hit a few returns and Ctrl-q if it appears "stuck"; some bots are
hitting the emulator
After logging in, use the Prime HELP command for assistance.
You are welcome to create a directory under GUEST for your files.
The line erase character is ?
There are other Primos revs running on ports 8001-8007
Prime manuals at: http://yagi.h-net.msu.edu/prime_manuals/prirun_scans
To report bugs or contact the author, send email to prirun@gmail.com

Enjoy your time travels! -Jim Wilcoxson aka JIMMY

Login please.
login jimmy
Password?

JIMMY (user 2) logged in Friday, 14 Dec 18 21:20:08.
Welcome to PRIMOS version 19.2.
Last login Saturday, 08 Dec 18 22:15:44.

OK, ab .abbrev
OK, ab -nq -ac pwd [unquote 'type [dir [pathname *]]']
OK, ab -nq -ac up [unquote 'a [dir [dir [pathname *]]];type [dir [pathname *]]']
OK, co -end
OK, lo

JIMMY (user 2) logged out Friday, 14 Dec 18 21:20:12.
Time used: 00h 00m connect, 00m 00s CPU, 00m 00s I/O.

Prime session disconnected
Connection closed by foreign host.

Enjoy! -Jim

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