Basic Shell: wish Your basic shell, called wish (short for Wisconsin Shell, naturally), is basically an interactive loop: it repeatedly prints a prompt wish> (note the space after the greater-than ...

Don’t run these programs from your shell. Stick with simple text-based programs such as /bin/ls, /bin/ps, and /bin/echo. When you run your shell from the standard Unix shell, your shell is running in ...

Bash, aka the Bourne-Again Shell, has a newly discovered security hole. And, for many Unix or Linux Web servers, it's a major problem. The flaw involves how Bash evaluates environment variables ...