Linux Pmap command: view the memory used by the Process

Pmap provides memory ing for processes. The pmap command is used to display the memory status of one or more processes. It reports the address space and memory status of the process. Pmap is actually a command on Sun OS. linux only supports its

Multi-thread viewing of processes in Linux

In the SMP system, our applications often use multithreading technology. How can we view multiple threads of a process in Linux? This article describes how to view the Linux threads (LWP) by using three commands: In my system, I started an SMP Guest

What is Linux?

What is Linux? What is an operating system? Before learning about Linux, you must know what an operating System is! First, let's think about it. When we use a computer, where does the screen show codoon? Well! It is displayed on the display card and

How is the Linux 2.6.x kernel improved?

After three years of active development, the new 2.6Linux kernel has recently been released. During this period, some interesting changes have taken place in the development and testing methods of the Linux kernel. At present, the kernel development

Linux newbie school's Linux time and time zone

The first thing to note is that my system is fedora, and other systems may be different. ◆ 1. The time is stored in the hardware real-time RTC). The RTC is powered by the motherboard battery and will not cause time loss even if the power is turned

Step 1)

You can configure and delete Linux Kernel configuration options in menuconfig. This topic describes the detailed configuration method. Part 1: Delete AllCode maturity level options ---> Code maturity level options[] Prompt for development and/or

Seven extremely lethal Linux system commands

If you are using Linux, remember not to let the dumb enter the following commands. Although these commands seem complicated, they will still have a serious impact on your system. Some of them will affect your program and system running, some will

Linux Kernel latest stable version 2.6.30 released

Linus just released the latest stable version kernel 2.6.30, which is nearly (a new version in three months) after 2.6.29 of the previous version March and has passed 8 RC versions. 2.6.29 to 2.6.29.4, 2.4 series is 2.4.37.2. Improvements to this

How small and medium enterprises choose Linux backup tools

Many Linux data backup products are constantly adding new features and starting to become more mainstream in the enterprise. Currently, most major storage management vendors (such as HP and Symantec) have provided Linux for their storage management

Father of Linux: Kernel 2.6.30 will bring the "New World Order"

Linux Kernel 2.6.30 has been released, with hundreds of changes compared with the previous version, including a new suspend/resume architecture, Linus Torvalds, father of Linux) said, this function will bring the kernel Into a New World Order.

Installation of perfect playing mplayer in LINUX

Sometimes we envy windows for simple settings to play the perfect DVD. Now I tell you that you can play the perfect DVD in LINUX. first, let's talk about my configuration: gigabyte intel845 motherboard, 1.5 GCPU, TNT2 video card, AC97 integrated

Linux vi command details and usage tips (1)

Access the vi command Vi filename: open or create a document and place the cursor at the beginning of the first line Vi + n filename: Open the document and place the cursor at the beginning of line n Vi + filename: Open the document and place the

Linux at command details and Use Cases

This article explains the linux at command and provides an example to illustrate the usage of the linux at command. How to Use the linux at command: at-V [-q queue] [-f file] [-mldbv] TIME & #160; Note: The linux at command allows users to execute a

Use the linux at command to regularly start the program on linux

Cron is used to schedule duplicate tasks. The linux at command is used to schedule one-time tasks within the specified time. To use the linux at command, you must install the at RPM package and the atd service must be running. You can use service

Linux kernel-level virtual environment analysis (1)

vps

Choosing an appropriate virtual host solution can effectively use the resources of various servers, facilitating cost saving and simplifying hardware environment maintenance. At the same time, it also provides an effective solution for isolating

Linux touch Command Parameters

Linux touch Command Parameter Function Description: changes the document or directory time. In linux, the touch command parameter Syntax: touch [-acfm] [-d] [-r] [-t] [-- help] [-- version] [document or directory...] or touch [-acfm] [-- help] [--

Linux Study Notes: Know VI

Common vi usage Normal ModeH leftJ lowerKL right0 move to the beginning of the row$ Move to the end of a rowH top screenM CenterL The lowest ScreenLast line of G File/Work downward search? Work search upMove gg to the first line of the file Edit

Replacing File Content in batches in Linux

Maven is used to build an application in the past two days. Due to the large project, there are more than 700 pom S. xml file, even more depressing is in many pom. the url of the resource library is specified separately in the xml file. I need to

Install/uninstall Google Chrome Extension

I believe many of you do not know how to install or uninstall the Google Chrome extension plug-in like yourself. Here is a detailed explanation: 1. Install Google Chrome Extension Before installing Chrome extensions, you must add the startup

How to view hardware information in Linux

1. lshw The lshw command displays detailed hardware information. If you want to display it in the summary mode, you can add the short parameter: lshw-short To display the specified hardware information, add the class or C parameter: lshw-class

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