Without additional context—such as where you saw this phrase (e.g., in a software manual, a video game, or a puzzle)—it is difficult to provide a precise definition. If you can provide the context in which you found "dqstr - -wnh 1," I would be happy to write a more targeted explanation.
Read from stdin ( - ), wait for data ( -w ), process 1 item ( -n 1 ), with headers ( -h ). dqstr - -wnh 1
Intel (Altera) FPGA documentation mentions as a register-level field (likely "DQS Tracking") within their External Memory Interface . In these interfaces: Without additional context—such as where you saw this
is a string used to filter layers in a map based on specific attributes. : These are likely flags or arguments. (Double Hyphen/Dash) in a software manual