is the name of a UNIX command, executable program, or shell script to which you want to route output or from which you want to read input. The command(s) must be enclosed in either double or single ...

One of the most confusing things when starting with Linux is the terminology. Some people will use terms interchangeably, while others insist on the exact correct usage. Unless you’re aware of the ...

A new system, PaSH, has been developed to make computer programs run faster while also delivering accuracy in the Unix shell. The Unix shell is a 50-year-old programming environment that is still ...

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. With ...

This week you may have heard about something called Shellshock. It’s a vulnerability in something else called Bash. Oh, and Bash is a Unix shell. And the Shellshock vulnerability may be larger than ...