Similarly, writing a UNIX-like operating system from scratch is something that’s been done more than once, but which definitely puts the author in an exclusive breed. Creating a CPU and ...

Ken Thompson and Dennis Ritchie at a PDP-11. Peter Hamer [CC BY-SA 2.0] Last week the computing world celebrated an important anniversary: the UNIX operating system turned 50 years old.

The Ubuntu developers want to replace the classic Unix command line programs of the GNU project with new tools written in Rust.

After a heroic effort, the oldest machine-readable copy of Unix version 2 is running again.… The recovered code runs on a PDP-11 simulator and contains a version of Unix that's later than V1 ...

Unix was developed as a command line interface in the early 1970s with a very rich command vocabulary. DOS followed more than a decade later for the IBM PC, and DOS commands migrated to Windows.