Definitions

1. noun

Abbreviation for double deck, a railroad or train configuration with two levels of cars.

“The new commuter train uses a double deck configuration, allowing more passengers to travel.”

2. verb

To copy or replicate data, often as part of a backup process.

“Before deleting the file, I decided to dd a copy of it to an external drive.”

3. verb

To force a disk device to write data to it, often used in data recovery or replication.

“The dd command helped me recover the lost data from my corrupted hard drive.”

4. verb

To deal a card or cards from a deck, often in a card game.

“The dealer dd the cards to each player, and we began the poker game.”