Linux Delete Folder Command instance

LinuxDelete Folder commandIn the time of the use of Linux, sometimes to delete a folder, often will prompt this file is not empty, can not be deleted, this cent, must use the RM-RF command. About some small white users often in the use of Linux

Fault analysis and troubleshooting of Linux system

When dealing with various failures in the Linux system, the symptoms of the failure are the first to be discovered, and the cause of the failure is the key to eventual troubleshooting. Familiar with the Linux system log management, understand the

Linux File Modification Management

hierarchy of Linux file systemstree structure of Linux file systemWhat is a catalog?Presentation of the top-level root directoryTwo special directories in the file systemSome of the important directories in the Linux systemBin directorySbin

Introduction to the Linux root directory

1 /binBinary binary binaryMany "Execute Program Files" directories corresponding to "directives"LS pwd init and so on2 /sbinSuper binary Hyper BinaryMany "Execute Program Files" directories corresponding to "directives"This directory file

Linux kernel semaphore

The signal volume of the Linux kernel is the same as the concept and principle of the IPC-mechanism semaphore of the user-State System V, but it is never possible to use it outside the kernel, so he has nothing to do with the IPC mechanism semaphore

Linux command-line editing common shortcut keys (useful, Universal)

This article describes the common shortcut keys for Linux command-line editing, which I hope will help you.Linux Command line edit shortcut keys:History displays a list of command histories↑ (ctrl+p) Show previous command↓ (CTRL + N) Displays the

NBU Server for Linux installation

1.1AddHOSTSparsing1. add a native HOSTS resolution before installing NBU SERVER [Email protected] ~]# cat/etc/hosts localhost localhost.localdomain localhost4 localhost4.localdomain4:: 1 localhost

Reproduced linux--Process Group, session, Daemon

Process GroupCollection Process group ID: positive integer for one or more processestwo functionsgetpgid (0) =getpgrp ()Eg: shows the process group ID of the child process and the parent process1 #include 2 #include 3 #include 5 int main () {6

Linux notes (4) when using the VI Editor in Ubuntu, you cannot use the BACKSPACE key to backspace or not function properly.

Excerpt from: put the Ubuntu system reinstall on the virtual machine, and then try VI Editor, found that using VI, can not use the BACKSPACE key

Linux Decompression and Decompression tar

The most commonly used packaging command under Linux is tar, which can be compressed with other commands when packaged with the tar command. How to use the TAR commandTar command[[Email protected] ~]# tar [-cxtzjvfppn] files and directories

Linux view CPU and memory usage

During system maintenance, it may be necessary to review the CPU usage at any time, and to analyze the system condition according to the corresponding information. In CentOS, you can view CPU usage by using the top command. After running the top

Introduction to the Linux system directory structure

Reference blog: Thank Yumbo Lord for learning Linux for me to specify the direction!!Linux directory: Everything starts with "root", "/" is the starting point of all directories (fixed point)Linux

Linux under Zip Decompression tar decompression GZ decompression bz2 and other various decompression file commands

. tarUnpacking: Tar xvf Filename.tarPackage: Tar cvf filename.tar DirName(Note: Tar is packaged, not compressed!) )———————————————. gzDecompression 1:gunzip filename.gzDecompression 2:gzip-d filename.gzCompression: gzip FileName. tar.gz and.

Linux opens a file and writes a string, reading the corresponding file at the same time--fopen ()/fwrite ()/fread ()

Linux opens a file and writes a string. Read the information about the corresponding file at the same time in Linux. Use C language. Use the fopen () function to open a file (if no file exists, create a new one, such as Data/test.dat), at

The relationship between Umask value and file and directory permissions in Linux

Copyright Notice:###########################################################################All the contents of this article are from the author Liu Chunque's study summary, without my permission, prohibit the private forwarding and use.qq:1151887353

Linux storage management and hard disk partitioning, formatting, mounting

Here is the basics of storage management for Linux, using a new hard drive device step (partition, format, mount Partition).First, Linux storage Management basic knowledge point1. Hardware compositionIn the computer basic knowledge, each hardware is

Linux Learning Note (iii): System execution level and execution level switching

The 1.Linux system differs from other operating systems, and it has an execution level. The execution level specifies the state in which the operating system is located. Linux systems are executed at an execution level at all times, and the programs

Common Linux commands, including VI, SVN


/etc/init.d/network restart//===========================================Update ScriptCd/www/scriptsUpdate site./ WebUpdate Resource./ Resource./ Webplus31 on hand-received

Linux Learning One

Advantages and disadvantages of 1.Linux:Strengths:A stable systemFree or little feeSecurity, high-speed patching of vulnerabilitiesMulti-tasking, multi-userPlanning for users and usersRelatively non-resource-intensive systemsSuitable for embedded

Zip and unzip the tar command for Linux files

Tar is a linux system command, format: tar [main option + Secondary options] file or directory.Tar command1. The tar command is a reliable way to back up files in a unix/linux system and works in almost any environment, with permissions for all

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