How-To Geek on MSN

The 6 test patterns that real-world Bash scripts actually use

Check if a file is really a file, whether a string contains anything, and whether you can run a program with these vital patterns.

Why do we dream? What science says about brain’s strangest nightly activity

For in dreams we enter a world that is entirely our own. Let them swim in the deepest ocean or glide over the highest cloud,” ...