Table of Contents
Use the ps command to view process information
Home Computer Tutorials Computer Knowledge How to find the parent process ID (PPID) in Linux

How to find the parent process ID (PPID) in Linux

Mar 09, 2024 am 08:01 AM
ps process id Linux operating system

In the Linux operating system, each running program is a process, and each process has a unique process identifier (PID).

Similarly, each process will have a parent process, which is the process that created it. The identifier of the parent process is called the parent process ID (PPID).

In this article, we will explore how to find the ID of the parent process in a Linux system and introduce some effective commands and tools to help you get detailed information about the relationship between processes.

Basic command to find parent process ID

First, I will give you a brief introduction to a few basic commands that can be used to view all processes running in the system and their parent process IDs.

Use the ps command to view process information

The

ps command is a powerful tool that reports information about the current process.

The following are some basic ps command usage:

# 查看当前终端关联的进程信息
ps -e

# 以详细的格式显示所有进程信息
ps aux
Copy after login

如何在Linux中查找父进程ID (PPID)

如何在Linux中查找父进程ID (PPID)

The above is the detailed content of How to find the parent process ID (PPID) in Linux. For more information, please follow other related articles on the PHP Chinese website!

Statement of this Website
The content of this article is voluntarily contributed by netizens, and the copyright belongs to the original author. This site does not assume corresponding legal responsibility. If you find any content suspected of plagiarism or infringement, please contact admin@php.cn

Hot AI Tools

Undresser.AI Undress

Undresser.AI Undress

AI-powered app for creating realistic nude photos

AI Clothes Remover

AI Clothes Remover

Online AI tool for removing clothes from photos.

Undress AI Tool

Undress AI Tool

Undress images for free

Clothoff.io

Clothoff.io

AI clothes remover

AI Hentai Generator

AI Hentai Generator

Generate AI Hentai for free.

Hot Article

R.E.P.O. Energy Crystals Explained and What They Do (Yellow Crystal)
2 weeks ago By 尊渡假赌尊渡假赌尊渡假赌
Repo: How To Revive Teammates
1 months ago By 尊渡假赌尊渡假赌尊渡假赌
Hello Kitty Island Adventure: How To Get Giant Seeds
4 weeks ago By 尊渡假赌尊渡假赌尊渡假赌

Hot Tools

Notepad++7.3.1

Notepad++7.3.1

Easy-to-use and free code editor

SublimeText3 Chinese version

SublimeText3 Chinese version

Chinese version, very easy to use

Zend Studio 13.0.1

Zend Studio 13.0.1

Powerful PHP integrated development environment

Dreamweaver CS6

Dreamweaver CS6

Visual web development tools

SublimeText3 Mac version

SublimeText3 Mac version

God-level code editing software (SublimeText3)

This Apple ID is not yet in use in the iTunes Store: Fix This Apple ID is not yet in use in the iTunes Store: Fix Jun 10, 2024 pm 05:42 PM

When logging into iTunesStore using AppleID, this error saying "This AppleID has not been used in iTunesStore" may be thrown on the screen. There are no error messages to worry about, you can fix them by following these solution sets. Fix 1 – Change Shipping Address The main reason why this prompt appears in iTunes Store is that you don’t have the correct address in your AppleID profile. Step 1 – First, open iPhone Settings on your iPhone. Step 2 – AppleID should be on top of all other settings. So, open it. Step 3 – Once there, open the “Payment & Shipping” option. Step 4 – Verify your access using Face ID. step

Fix event ID 55, 50, 98, 140 disk error in event viewer Fix event ID 55, 50, 98, 140 disk error in event viewer Mar 19, 2024 am 09:43 AM

If you find event ID 55, 50, 140 or 98 in the Event Viewer of Windows 11/10, or encounter an error that the disk file system structure is damaged and cannot be used, please follow the guide below to resolve the issue. What does Event 55, File system structure on disk corrupted and unusable mean? At session 55, the file system structure on the Ntfs disk is corrupted and unusable. Please run the chkMSK utility on the volume. When NTFS is unable to write data to the transaction log, an error with event ID 55 is triggered, which will cause NTFS to fail to complete the operation unable to write the transaction data. This error usually occurs when the file system is corrupted, possibly due to the presence of bad sectors on the disk or the file system's inadequacy of the disk subsystem.

Complete guide to uninstalling Kali Linux software to solve system stability problems Complete guide to uninstalling Kali Linux software to solve system stability problems Mar 23, 2024 am 10:50 AM

This study provides a comprehensive and in-depth analysis of software uninstallation problems that may arise during the penetration testing and security audit process of KaliLinux, and contributes solutions to ensure system stability and reliability. 1. Understand the installation method of the software. Before uninstalling the software from kalilinux, it is a crucial step to first determine its installation path. Then, the appropriate offloading solution is selected accordingly based on the selected path. Common installation methods include apt-get, dpkg, source code compilation and other forms. Each strategy has its own characteristics and corresponding offloading measures. 2. Use the apt-get command to uninstall software. In the KaliLinux system, the apt-get functional component is widely used to execute software packages efficiently and conveniently.

A complete guide to installing the domestic operating system Kirin Linux, completed in 15 minutes A complete guide to installing the domestic operating system Kirin Linux, completed in 15 minutes Mar 21, 2024 pm 02:36 PM

Recently, the domestic operating system Kirin Linux has attracted much attention. As a senior computer engineer, I have a strong interest in technological innovation, so I have personally experienced the installation process of this system, and now I will share my experience with you. Before executing the installation procedure, I was fully prepared for the relevant steps. The first task is to download and copy the latest Kirin Linux operating system image to a USB flash drive; secondly, for 64-bit Linux, ensure that important data in personal devices have been backed up to deal with potential installation problems; finally, shut down the computer and insert the USB flash drive. After entering the installation interface and restarting the computer, press the F12 function key promptly, enter the system boot menu and select the USB priority boot option. With a beautiful and simple startup screen appearing in front of you

Introduction to the process of extracting line drawings in PS Introduction to the process of extracting line drawings in PS Apr 01, 2024 pm 12:51 PM

1. Open the software and import a piece of material, as shown in the picture below. 2. Then ctrl+shift+u to remove color. 3. Then press ctrl+J to copy the layer. 4. Then reverse ctrl+I, and then set the layer blending mode to Color Dodge. 5. Click Filter--Others--Minimum. 6. In the pop-up dialog box, set the radius to 2 and click OK. 7. Finally, you can see the line draft extracted.

Automount drives on Linux Automount drives on Linux Mar 20, 2024 am 11:30 AM

If you are using a Linux operating system and want the system to automatically mount the drive on boot, you can do this by adding the device's unique identifier (UID) and mount point path to the fstab configuration file. fstab is a file system table file located in the /etc directory. It contains information about the file systems that need to be mounted when the system starts. By editing the fstab file, you can ensure that the required drives are loaded correctly every time the system starts, thus ensuring stable system operation. Automatically mounting drivers can be conveniently used in a variety of situations. For example, I plan to back up my system to an external storage device. To achieve automation, ensure that the device remains connected to the system, even at startup. Likewise, many applications will directly

How to solve the problem of garbled characters displayed on the Linux command line How to solve the problem of garbled characters displayed on the Linux command line Mar 21, 2024 am 08:30 AM

Methods to solve the problem of garbled characters displayed on the Linux command line. In the Linux operating system, sometimes we will encounter garbled characters displayed when using the command line interface, which will affect our normal viewing and understanding of the command output results or file contents. The causes of garbled characters may be due to incorrect system character set settings, terminal software not supporting the display of specific character sets, inconsistent file encoding formats, etc. This article will introduce some methods to solve the problem of garbled characters displayed on the Linux command line, and provide specific code examples to help readers solve similar problems.

The best Linux version of 2024: perfect integration of technology and art, open and innovative attitude towards life The best Linux version of 2024: perfect integration of technology and art, open and innovative attitude towards life Apr 03, 2024 am 08:01 AM

As a Linux enthusiast in 2024, my expectations for the best Linux distribution are exciting. Below, I will explain my personal views and analyze why the most attractive Linux distribution in 2024 has many unique advantages. 1. First introduction to the most beautiful Linux distribution. There is no doubt that the best Linux distribution in 2024 can be called the perfect fusion of technology and art. It has excellent performance in many aspects such as user interface, function planning and performance optimization, making it unique in the face of many competitors. This is not only an operating system, but also a symbol of a free, open and innovative attitude towards life. This optimal version incorporates a new design and interactive mode, which is bound to be refreshing. Whether it is layout structure, logo pattern or color matching,

See all articles