Contents
How can I tell which process is using more CPU?
How To Check CPU Usage from Linux Command Line
- top Command to View Linux CPU Load. Open a terminal window and enter the following: top.
- mpstat Command to Display CPU Activity.
- sar Command to Show CPU Utilization.
- iostat Command for Average Usage.
- Nmon Monitoring Tool.
- Graphical Utility Option.
How do you know which process is using a file in Linux?
You can run lsof command on Linux filesystem and the output identifies the owner and process information for processes using the file as shown in the following output.
- $ lsof /dev/null. List of All Opened Files in Linux.
- $ lsof -u tecmint. List of Files Opened by User.
- $ sudo lsof -i TCP:80. Find Out Process Listening Port.
What is KSMD process?
The KSM daemon ksmd periodically scans those areas of user memory which have been registered with it, looking for pages of identical content which can be replaced by a single write-protected page (which is automatically copied if a process later wants to update its content).
What scheduler is used in Linux?
Completely Fair Scheduling
Linux uses a Completely Fair Scheduling (CFS) algorithm, which is an implementation of weighted fair queueing (WFQ). Imagine a single CPU system to start with: CFS time-slices the CPU among running threads. There is a fixed time interval during which each thread in the system must run at least once.
What are the different types of processes in Linux?
There are five types of Process in Linux. 1. Parent process: The process created by the user on the terminal. All processes have a parent process, If it was created directly by user then the parent process will be the kernel process. 2. Child process: The process created by another process (by its parent process).
How to search for a process in Linux?
You can search for a particular Linux process using grep command / egrep command: Many variants of Linux comes with the pgrep command to search/find process. The syntax is:
How to check the running process in Linux using command line?
The procedure to monitor the running process in Linux using the command line is as follows: Alternatively, you can issue the top command or htop command to view running process in Linux Let us see some example and usage in details.
What do you do with the more command in Linux?
more command in Linux with Examples. more command is used to view the text files in the command prompt, displaying one screen at a time in case the file is large (For example log files). The more command also allows the user do scroll up and down through the page.