Under UNIX, you can use the FILENAME statement to assign filerefs not only to external files and I/O devices, but also to a pipe. Pipes enable your SAS application to receive input from any UNIX ...

The diff, comm, cmp, and colordiff commands are among the many ways to compare text files on a Linux system.

How to find files in Linux with grep: 10 examples (free PDF) The grep command is a handy, reliable tool for searching for files or information.

The hexedit command provides a way to edit binary files, but to view and save the content in a file for later analysis without editing, try the xxd command.