Tandem Computers Inc reckons that the UK Unix projects at Barclays Bank Plc and Unilever Group Plc using IBM’s AIX projects, revealed a few weeks back, will go some way towards establishing the credibility of large-scale Unix implementations. It expects many Unix vendors to receive trickle-down benefits as a result. As far as its own MIPS Computer Systems-based fault-tolerant Unix Integrity S2 systems go, Tandem says that it will be doing R3000 and R4000 versions of the machine, which currently uses MIPS’ inaugural R2000 RISC part. And Tandem, whose NonStop-UX Unix implementation is now at the Unix System V.3.1 level, says a Unix System V.4-compliant product, now in the labs, will be out in 1992, once the operating system becomes more stable. It’ll also pick up one of the transaction processing monitors currently on offer from the likes of AT&T Co with its Tuxedo and NCR Corp with its Top One, and it says that it is now looking at various networking tools to implement on its Unix boxes.