Definitions for "Bak"
Backup format often seen in the Windows OS.
Backup version Common
Copia di backup di un file Comments: Microsoft Windows
Bad Program Acknowledgment character. This character is sent from the bar code reader to indicate that the IRL program received from the host could not be successfully compiled. The program should be corrected and retransmitted.
ack eyboard, a common chat session abbreviation indicating that you have returned from a temporary absence. See AFK.
BCG-Activated Killer
Back at keyboard