SCO Group Inc. canceled IBM Corp.’s contract for the AIX Unix operating system Monday and revised a lawsuit against IBM to seek as much as $50 billion. The amended complaint also seeks an order ...

The System p was born in about 1990 as the RS/6000 and used IBM’s Power processors and AIX operating system. It is now also offered with 64-bit Linux.

Corporate users of IBM’s AIX operating system remained unfazed by The SCO Group Inc.’s decision earlier this week to follow through with its threat to revoke IBM’s AIX distribution license ...

McBride says beefing up AIX with SVR4 code enabled IBM to compete more effectively with Sun Microsystems , whose Solaris operating system was based on the more advanced SVR4 code.

IBM announced an open beta program for the next release of its AIX operating system, enabling any interested users to download a test copy of the AIX 6 software.

IBM and Red Hat have abused their control over the Unix/Linux operating system market for far too long, and intervention is the only way to fix what they have broken.