"Reading Compressed Files With less
Sometimes, less really is more. In the case of the app less, it is
also the better-featured version of its bigger sibling, more.
"Using UUID to Deal With Disks
UUID notation is one way to access your disks when using Linux. But
first you must find the identifier.
"Magic Tricks With the Sysreq Key
Remember the Sysreq key? It's in the same spot it's always been.
Get reacquainted with it, and rediscover all the useful things it
can do."