| ▲ | queuebert 6 hours ago | |
There used to be stock exchanges running happily on DOS. Maybe there still are. | ||
| ▲ | chaps 6 hours ago | parent | next [-] | |
Worked at an exchange in 2007/2008 and... we had systems still running from the 80s. Mostly tape audit stuff. | ||
| ▲ | BirAdam 5 hours ago | parent | prev [-] | |
Most use Linux now, and specifically RHEL. I did see some IBM z, but that was specifically for one old DB that handled oil pipeline stuff. | ||