The bash shell sends the output to stdout. The final output goes to the display screen. Here 0, 1, and 2 are called file descriptors (FD). In the following section, we’ll look into file descriptors in ...

In this version, at the end of the loop we specify multiple input redirections using the full general form of bash's input redirection: [n]<word.If no leading [n] is specified the default is 0, which ...