One of the things that I have always loved about Unix and then Linux is how it allows me to connect a series of commands together with pipes and get a lot of work done without a lot of effort. I can ...

I'm writing a little bash script to wrap grep for many, similar grep searches I do. One thing I'd like to automate is whether the output gets piped to less, or straight to stdout (depending on the ...

Linux systems support pipes that enable passing output from one command to another, but they also support 'named pipes,' which are quite different. Most people who spend time on the Linux command line ...

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 ...

There is more to the shell, the terminal’s interpreter software, than commands composed of alphanumeric characters. In addition to those familiar programs, there is a whole host of processing tools ...