When using ps to list processes, which status code indicates a task in an uninterruptible wait state where it awaits I/O completion?
D
T
Z
S
The code D signifies an uninterruptible sleep, which means the process is waiting for a resource (often disk I/O) and cannot be interrupted by signals. The S code is for interruptible sleep and can be awakened by signals. Z marks a zombie process that has completed execution but still has an entry in the process table. T indicates a process that has been stopped or is being traced.
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