One particular frustration with the UNIX shell is the inability to easily schedule multiple, concurrent tasks that fully utilize CPU cores presented on modern systems. The example of focus in this ...

So I might have to break this up into a script, and I think I could throw it together in ruby in a couple of minute but might as well take a minute to learn something. I've got a bunch of AAC (itunes) ...

I am trying to use xargs on a file containg a long list of other filenames in conjunction with another command. It will run for about a tenth of the file, then I guess it sees something that it does ...

The find command gives you more options than most of us will ever use and, combined with exec and xargs commands, can become some of your favorite command line powerhouses. The most obvious option is ...

There are some commands that turn out to be more useful than first meets the eye. In my opinion, xargs is one of those commands. It takes the standard input and uses it to build a command line. It's ...

POSIX, which defines how to call functions common to UNIX-like OSs, is a standard that guarantees that 'it will work in any environment as long as it complies with POSIX.' POSIX has supported the ...