At the Vintage Computer Festival last weekend, there was a wonderful representation of small 8 and 16-bit home computers from the 80s, an awful lot of PDP and VAX-based minicomputers, and even ...

The Linux command wall is a hold-over from the way Unix machines used to be used. It’s an abbreviation of Write to ALL, and it was first included in AT&T Unix, way back in 1975. wall is a tool ...