How does OpenVMS compare to UNIX and/or LINUX?
First off, UNIX is almost 8 years older than VMS although they were developed in the same decade. Although LINUX is much newer UNIX-like product, it is not a new operating system. In fact, it is just BSD UNIX applications with a totally rewritten kernel. Click here for a side-by-side comparison. All modern operating systems support Symmetric Multi Processing (SMP) but OpenVMS is still the industry leader in clustering. What the UNIX world calls “a cluster” is no where close to what is happening in an OpenVMS Cluster. HP is (understandably) unwilling to increase OpenVMS sales by relating to a horrible human tragedy so let me publish something which HP will not: There were more than a few OpenVMS clusters running in the World Trade Towers on 9/11 (unfortunately, some clusters were composed of nodes only found in buildings one and two). Some European financial businesses operated OpenVMS Clusters with at least one node in one of the Twin Towers with another located elsewhere, like New Jer
