Describe the purpose the process state column displayed by the ps -l command. What values may appear in this column, and what do these values indicate?
What will be an ideal response?
The process state (S) column is the most valuable to systems administrators, because it indicates what the process is currently doing. If a process is not being run on the processor at the current time, you see an S (sleeping) in the process state column; processes are in this state most of the time. You will see an R in this column if the process is currently running on the processor, or a T if it has stopped or is being traced by another process. In addition to these, you might also see a Z in this column indicating a zombie process.
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