How to view detailed information about processes in Linux?

In the Linux system, you can use the following command to view detailed information about processes:

1. To use the top command: simply enter “top” in the terminal to view real-time running processes in the system. This command will display detailed information such as process ID, user, CPU usage, memory usage, etc. Press “Shift + F”, select the desired columns to display, and then press “Enter” to view more detailed information.
2. To view a list of processes for the current user in the terminal, use the ps command. You can use different options to view detailed information about the processes, such as:
3. List detailed information of all processes with their IDs, CPU usage, memory usage, etc.
4. ps -ef: display detailed information about all processes, including process ID, parent process ID, and start time.
5. View detailed information of a specific process by using the command “ps -p -o “. You can choose the desired fields to display, for example, “ps -p 1234 -o pid,ppid,cmd” to see the process ID, parent process ID, and command line of the process with ID 1234.
6. To utilize the htop command: htop is an interactive process viewing tool that displays detailed information about processes and allows for mouse operation. Simply type the htop command in the terminal to use it.

These are several common methods to view detailed process information. One can choose the appropriate method to view process information in different scenarios.