In Linux,each process is referenced by a descriptor,which contains approximately fifteen fields describing the process attributes together with the information needed to manage the process.

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In Linux, each process is referenced by a Process Control Block (PCB), not a descriptor. The PCB contains many fields describing the process attributes and the information needed to manage the process, but the exact number of fields can vary and is typically more than fifteen, depending on the specific Linux version and the process's complexity.

In Linux,each Process Is Referenced by a Descriptor,which Contains Approximately