Htop tutorial

1. What is htop used for?
2. Is htop better than top?
3. Is there an htop for GPU?
4. Why is it called htop?
5. Does htop show cores or CPUs?
6. What is the alternative for htop in Python?
7. Does htop show physical cores?
8. Does htop show RAM?
9. Does htop show all processes?
10. How to check CPU bottleneck in Linux?
11. What does top or htop do in Linux?
12. What is htop in Python?
13. What does top and htop do in Linux?
14. Does htop show cores or CPUs?
15. Does htop show threads or processes?
16. What is PID in htop?
17. Who created htop?

What is htop used for?

In a nutshell, htop is a useful command-line tool in the Linux environment to determine the cause of load by each process. It is similar to Task Manager in the Windows OS environment. It can be used to troubleshoot and kill a process that is utilizing excessive server resources. That's it!

Is htop better than top?

top is the older command and it comes preinstalled on all Linux distros. htop is newer and it adds color and gives a more interactive user interface than top. In other words, htop provides a slightly better user experience, but it's not a standard command you'll find on all Linux systems.

Is there an htop for GPU?

Nvtop stands for Neat Videocard TOP, a (h)top like task monitor for AMD, Intel and NVIDIA GPUs. It can handle multiple GPUs and print information about them in a htop familiar way.

Why is it called htop?

htop is written in the C programming language using the ncurses library. Its name is derived from the original author's first name, as a nod to pinfo, an info-replacement program that does the same.

Does htop show cores or CPUs?

Run top or htop command to obtain the number of CPUs/cores in Linux.

What is the alternative for htop in Python?

Glances is an excellent htop alternative as it can adapt dynamically when displaying system information, depending on the terminal size. Remote monitoring can be done via terminal, Web interface, or API (XMLRPC and RESTful). Glances is written in Python and uses the psutil library to get information from your system.

Does htop show physical cores?

cpuinfo show the actual cores while htop/top show both cores and thread as cores. You most likely have 4 cores and 4 threads that's why.

Does htop show RAM?

The htop utility can show us overall RAM utilization in a clear way, continually update the statistics, as well as show us how much memory each process is using. Once it's installed, just type htop to run it.

Does htop show all processes?

Htop is a free (GPL) ncurses-based process viewer for Linux. It is similar to top, but allows you to scroll vertically and horizontally, so you can see all the processes running on the system, along with their full command lines.

How to check CPU bottleneck in Linux?

Simply type `htop` at the command line and press enter. Then look at the colorful CPU bars at the top of the screen. If your processor has 16 threads, there will be 16 bars. If the bars are as good as full, the system is clearly CPU bound.

What does top or htop do in Linux?

Htop is a process viewer and a text mode application for system monitoring in real-time, similar to top . It's easy to use, and it displays a complete list of the processes that are running. The htop tool is pre-installed in the distribution of Ubuntu Linux that is used to install the virtual server for this course.

What is htop in Python?

This is htop, a cross-platform interactive process viewer. It is a text-mode application (for console or X terminals) and requires ncurses.

What does top and htop do in Linux?

In Linux, the top command is used to view a server's processor activity in real-time. The htop command is an alternative to top, offering an easier interface featuring color, mouse operation, the ability to scroll through processes.

Does htop show cores or CPUs?

Run top or htop command to obtain the number of CPUs/cores in Linux.

Does htop show threads or processes?

htop was designed to provide as much information as possible about what's going on in the system. As a result, it displays the user threads instead of hiding them. For example, system administrators can spot a problem in a multithreaded application while monitoring the CPU usage of its related threads.

What is PID in htop?

PID: A process's process ID number. USER: The process's owner. PR: The process's priority. The lower the number, the higher the priority. NI: The nice value of the process, which affects its priority.

Who created htop?

htop is an interactive process viewer developed by Hisham Muhammad.