It's a handy tool for scripting certain kinds of file editing operations. It's also good for editing files over remote management connections that don't implem

It's a handy tool for scripting certain kinds of file editing operations. It's also good for editing files over remote management connections that don't implement a proper terminal interface. As with a lot of the Unix CLI, it may not be something you use frequently (or ever), but it's a godsend when you need it.