Spotlight from the command line with mdfind
The mdfind command allows you to run Spotlight queries and predicate searches from the command line. See the man page for more details. Video tag not supported. Download the video here.
Use the system clipboard from the command line
You can access the system clipboard from the command line (Terminal) with the pbcopy and pbpaste commands. These are great for piping input and output to. Video tag not supported. Download the video here.