Top Command In Linux

The top (table of processes) command shows a real-time view of the running processes in Linux and displays kernel-managed tasks. The command also provides a system information summmary that shows resource utilization, including CPU and memory usage.

Some of the operations we can perform along with top commands are:

• top then c: shows commands absolute path
• top then k: kills a process by PID
• top then n: to change the no of task. displayed
• top then d,s: to change interval of refresh
• top then M: to sort the running processes by memory usage
• top then r: we can change the nice value of a PID
• top then u: to filter task by user
• top then f: Field Management
• top then h: help
• top then z or b: Toggle: ‘z’ color/mono; ‘b’ bold/reverse
• top then x y: `x’ sort field; ‘y’: runnnig tasks
• top then i: process which some memory usage