Linux

Command name: chownPermission: RootUsage: chmod [-cfhvr] [-- help] [-- version] user [: Group] file...Note: Linux/Unix is a multi-person, multi-employee operating system. All files are owned by the owner. Chown can be used to change the owner of an

Name: CPPermission: All UsersUsage:CP [Options] source destCP [Options] source... directoryNote: copy one file to another or copy several files to another directory.Parameters:-A tries its best to copy the file status, permissions, and other

Name: MorePermission: All UsersUsage: more [-dlfpcsu] [-num] [+/pattern] [+ linenum] [filenames ..]Note: similar to CAT, but it will be displayed on one page for users to read on one page, and the most basic command is to display on the next page by

Name: FingerPermission: All UsersUsage: finger [Options] user [@ address]Note: Finger allows users to query information of other users. The following information is displayed:Login NameUser NameHome DirectoryShellLogin statusMail status. Plan.

Name: suPermission: All UsersUsage: su [-FMP] [-C command] [-s shell] [-- help] [-- version] [-] [user [Arg]Note: to change the identity of another user, except for the root user, you must enter the user's password.Parameters:-F or -- fast does not

#! /Bin/bash # This shoshould go in your ~ /. Bashrc file # define ANSI color sequencesnormal = "\ [\ 033 [0m \]" White = "\ [\ 033 [0; 37; 40m \] "Magenta =" \ [\ 033 [0; 35; 40m \] "brightblue =" \ [\ 033 [1; 34; 40m \] "brightwhite =" \ [\ 033 [1;

Count the number of files in a folderLs-L | grep "^-" | WC-l Count the number of directories in a folderLs-L | grep "^ d" | WC-l Count the number of files in the folder, includingLs-LR | grep "^-" | WC-l For example, to count all JS files under

Ln command This command creates a link between files. This operation is actually to specify another name that can be used to access an existing file in the system. For this new file name, we can specify different access permissions for it to

Common Operation Problems and Solutions in Linux 1. Set the self-configured environment variables at startupIn the Linux terminal environment, the Export command can be used to set environment variables, but the variables it sets disappear

ReprintedThe Linux kernel module programming guide (1) Sighofwraith posted on 17:35:19 How do modules get into the kernel?   First, if you want to know which modules have been loaded, you can use lsmod to read what you want

Http://linuxhacker.blogchina.com/ Introduction to common network configuration files and Common commands in Linux     /Etc/sysconfig/network includes the basic network information of the host for system

Topic: Linux kernel module programming guide (7) Sender: kevintz ()Prepared by: kevintz (00:41:53), internal letter Linux Kernel module programming guideLinux Kernel

  This section explains how to install VMware Tools in a Linux, FreeBSD, or Solaris virtual machine.To install VMware Tools in a Linux, FreeBSD, or Solaris Virtual Machine1.Power on the virtual machine. 2.After the guest operating system has started,

How to install and configure the telnet service in SuSE Linux 1. Check whether the SuSE Telnet service is installed (Telent-server is not installed by default .) # Chkconfig-list The List displays the following information, indicating that the

When I was a beginner in Linux, I found the install commands for Linux programs such as./configure, make, and make install.Read some articles.GNU Autoconf and GNU automake are used by GNU to automatically generate makefile documents, which allows

I. Network 1) ftpget download file Ftpget [Option] Remote-host local-File Remote-File Example: ftpget 192.168.1.12 uboot. Bin u-boot.bin   2) ftpput upload files Ftpput [Option] Remote-host remote-File Local-File   When executing the preceding two

Open-source project-graphic serial port debugging tool xgcom I. Software introduction: A graphical serial port debugging tool under Linux to help developers debug the serial port program. Part of the code reference gtkterm-0.99.5.Ii. Installation

 Linux Kernel hacking with kgdb in VMware uses kgdb for source code-level Linux kernel debugging copyright by mikefeng [environment] VMware 5.5 Windows XP SP2 (replaceable) Virtual Machine Ubuntu 6.06 (debugged machine) the Virtual Machine kubuntu 6.

1. Environment setup steps 1) download the Linux source code 1> ~ # Apt-cache search Linux-Source Appears: Linux-source-Linux kernel source with Ubuntu PatchesLinux-source-3.0.0-Linux kernel source for version 3.0.0 with Ubuntu Patches 2> ~ #

I. Concept Concurrency indicates that multiple execution units are executed simultaneously. Competition(Race Condition)Concurrent Execution Unit access to shared resources (global variables and static variables in hardware and software) leads to