1) Type "date" + enter = display the date commend
2) Type "clr" + enter = clear the screen commend
This isn't a command - it appears to be an option (switch) on a different command.
with different command
The Save As command.
Unified Command
They are different languages, so you need to use a different word with different syntax to do the same thing. For example, to display the contents of the current directory, the command in MS-DOS is dir, but in UNIX it's ls.
Command prompt is a simple term meaning the place where you can enter system commands. It has different names on different systems, Windows -cmd(Command Prompt), Linux Mac - Terminal
Unified Command
Different commands can have different syntaxes. The most common format is 'command -a -b -c -d' or 'command -abcd'. Commands with long options will also support the syntax 'command --option --option2 --coption3'.
A joint command post is a post from which different groups are directed. It usually is a post manned by the leaders of different sections of the armed forces, or by leaders of armed forces of different countries.
Unified Command
Unified Command allows agencies with different legal, geographic, and functional authorities and responsibilities to work together effectively without affecting individual agency authority, responsibility, or accountability.
25 is the answer