Linux Study Notes and linux Study NotesLinux Study Notes 1. Common commands
Command storage. Which commands can be executed?
Root:
/Sbin/Usr/sbin
All users:
/Bin/Usr/bin
Bin -- binaryBinary filesLinuxAll files are
Linux interview questions required for O & M
1. What is GPL, GNU, and free software?
GPL: (General Public License): An authorization. Anyone has the right to obtain, modify, and re-release free software.
GNU: (Plan): it aims to create a completely
Android recovery AnalysisFunctions of Recovery
Android uses the Recovery mode to restore factory settings, full-package OTA upgrades, and incremental package upgrades.
The upgrade is generally performed by running the
Make a little progress every day-linux-cp1 Introduction
The cp command is used to copy files or directories. It is one of the most common commands in Linux. In general, shell sets an alias. When copying a file under the command line, if the target
Summary of Android error messages and android error messages
Remind yourself of your mistakes.
[Error message][16:39:10-ApiDemos] WARNING: Application does not specify an API level requirement![16:39:10-ApiDemos] Device API version is 8 (Android 2.2)
Linux-vi Editor 3: linuxvi Editor
1. open the file> Vi file // This mode is the command mode
2. Tail row operation>: Q // This mode is "tail mode">: W // Save the modified document>: Wq // save and exit>: Q! // Force exit without saving the changes>:
Linux and linux commands
[Root @ localhost ~] #
Root -- username localhost -- local ~ -- Different users in the home directory # -- the current user is the administrator $ -- Common User
Command Format: Command [Options] [parameters]
Pwd -- Current
Powershell is the next-generation scripting language built by Microsoft. It is based on the. NET Framework and is powerful and easy to expand. It is integrated with many products of Microsoft and its third-party companies. Windows 7 and Windows
Statsvn Introduction
Statsvn is an open-source code statistics program written in Java. It is transplanted from statcvs and can obtain information from the Subversion database, and then generate various tables and charts describing project
In the past, SCP files were all based on. Ssh.
However, using SCP in the script to copy files between machines becomes a problem.
The first method is CT.
The script is as follows:
#! /Usr/bin/CT-F
Spawn SCP 1 [email
FreeBSD is a UNIX branch. Most of its commands come from it.
If you switch from UNIX to BSD, you must be familiar with its commands.1: man online query man ls2: ls viewing directories and archives LS-la3: ln creates the link file
Today, I set up the android development environment. I had a little knowledge about Java basics and JDK and eclipse tools, so the installation process was still smooth.
I will not detail the tutorials that have been built in many environments on the
1: man online query man ls
2: ls viewing directories and archives LS-la
3: ln creates the link file ln-fs/usr/local/Apache/etc/httpd. conf/etc/httpd. conf
4: The more file name is displayed on the page.
5: CD/usr/local/Apache switch directory
6:
Why cannot I speed up file copy/transfer in Windows 7 in Windows 7? AvailableRobocopyImplement multi-threaded file replication.Many people who often perform file management and copy/paste operations may recall that Vista was a very slow copy speed
Unix operating commands
Pan lei, Institute of Theoretical Physics, Chinese Emy of Sciences
Chapter 1 logon and exit
Before you log on, you must first apply for a user registration name from the system administrator. No matter which
Statsvn Introduction
Statsvn is an open-source code statistics program written in Java. It is transplanted from statcvs and can obtain information from the Subversion database, and then generate various tables and charts describing project
Enter "/" and press ENTER
There are many file folders, such as etc, home, Lib, MNT, etc.
ETC: stores the user name and password
Home: each user has a document folder, which is stored here.
Lib: Operating System Documentation
MNT: used for
Back up database shell script 1
Copy codeThe Code is as follows :#! /Bin/bash
# Specify the running script shell
# Run the script to grant the user the execution permission
Bakdir =/backup
Month = 'date + % m'
Day = 'date + % d'
Year = 'date + %
Summary of PHP file system processing methods,
This article summarizes and analyzes the PHP file system processing methods. We will share this with you for your reference. The details are as follows:
File Type
In Linux, only file, dir, and unknow
The Centos 6.6 command line implementation cannot implement automatic completion.
The ubuntu system used by colleagues in the company has good auto-completion functions. However, when my Centos 6.6 system uses sudo, it cannot be automatically
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