Semantics-driven static analysis could be used to improve the safety, correctness, and performance of Unix, Linux, and macOS shell scripts, researchers say. Semantics-driven static analysis is ...

UPDATE, 9/25: The Bash vulnerability, now dubbed by some as "Shellshock," has been reportedly found in use by an active exploit against Web servers. Additionally, the initial patch for the ...

When you do, you get a single window that contains a UNIX terminal just like in the minicomputer days. When you open Terminal, it starts a new shell (a window for executing UNIX text commands).