Command input (.COMI filetype) COMO Command output similar to a batch log file, but also usable interactively PHANTOMS vs JOBS "Phantoms" were a form of unattended background processes that immediately began to run in the background when initiated by the PHANTOM command. "Conventional" batch jobs were initiated via the JOB command, including the ability to schedule them for a particular time. Networking Primes's main offerings, each covering a specific need, were: PRIMENET RINGNET RJE PRIMENET Prime's PRIMENET software was designed to enable "transparent access to any system in the network without burdening the user with extra commands." With PRIMENET, a user on System A could access files on System B as if they were on System A, or even log into another system using the RLOGIN (Remote Login) command. RINGNET Released similar timing to PRIMENET, it enabled high-speed Local Area Networking. RJE 2780/3790 emulation was included. Primix In 1985, Prime's port of AT&T's UNIX System V, called Primix, became available with Primos Release 19.4.2 that was modified to include Unix functions. It co-existed with PRIMOS, allowing users to switch back and forth. See also List of operating systems Timeline of operating systems References External links Sourcecode Rev 19 Usenet post of Jim Wilcoxson about the Prime 50-series emulator he created, running PRIMOS 19.2 (7 April 2007) Prime Computer FAQ from comp.sys.prime Usenet group Documentation Software Proprietary operating systems Discontinued operating systems Multics-like 1972 software