What are process states in Linux?

In Linux, a process can be in one of five states: Running/Runnable, Interruptible Sleep, Uninterruptible Sleep, Stopped, and Zombie. These states represent the current status of a process and influence how it can be managed.

What Linux commands would you use to diagnose a slow server response time?

On Linux, how can you check the status of a service and restart it if it's not running?

What are Linux directory commands?

What are process states in Linux?