The phrase "a special command" is correct and usable in written English.
You can use it when referring to a specific directive or instruction that has unique significance or function.
Example: "To access the hidden features of the software, you need to enter a special command in the terminal."
Alternatives: "a unique command" or "a specific command".
Cleo was specially trained with a special command called "crash," in which she lays on top of Sydney.
A special command center was activated and heavily armed teams were deployed to potential targets.
If you don't begin with a special command, Android will assume you are speaking a Web search.
The costs reportedly include law enforcement overtime, school closures, setting up and operating a special command center, and extra supplies and food for country workers.
Captain Gala said the Fire Department had set up a special command post yesterday in Borough Park, just as it had done for years in Williamsburg.
In October, 1944, the members of a Sonderkommando, a "special command" of inmates who manned the crematoriums, fearing that they themselves were scheduled for extermination, staged a revolt in which two S.S. guards were killed.
But he doesn't carry the puck with any special command, so he needs someone to get it to him.
The village drunk does not have any special commands.
Jawad Bolani, the interior minister, shot back, saying that it was not his agency's responsibility, but instead fell under the control of a special "Baghdad command," established during the crisis of sectarian killings in the capital and reporting directly to Prime Minister Nuri Kamal al-Maliki, according to the witnesses.
January 1993, a Special Forces command element deployed to Mogadishu as the Joint Special Operations Forces-Somalia (JSOFOR) that would command and control all special operations for Restore Hope.
The reserves of sub-Saharan Africa's largest oil producer were deemed sufficiently important for the Pentagon to create a special African command.
