'top' is a command-line utility in Linux and Unix-like operating systems. Its name is an acronym for "Table of Processes". Here's what you need to know about 'top':
Purpose: It provides a dynamic real-time view of the running system.
Display: It shows a list of processes or threads currently being managed by the Linux kernel.
Ordering: By default, it sorts the list by CPU usage, showing the processes using the most CPU at the top.
Information displayed:
System summary: Uptime, load average, CPU usage, memory usage
Process list: PID (Process ID), user, CPU usage, memory usage, command name, etc.
Interactivity: It updates periodically (usually every 3 seconds) and allows users to interactively manage processes.
Usage: System administrators and users use 'top' to monitor system resource usage and identify processes that might be consuming too much CPU or memory.
'top' is a powerful tool for system monitoring and troubleshooting. It's often one of the first tools a Linux administrator will use when investigating performance issues.
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