shell command line

Recently, you need to upload your lesson code to GitHub, just to fork someone else's code.This article is written using the method under Windows.First step: Create a new GitHub accountStep Two: Create a new warehousePart III: Fill in the name,

Usage version: Centos6.5What the rescue model does:You can change the root password;Recover hard disk, file system operation;When the system starts, it can only be started by rescue mode;The steps to start the rescue mode are as follows:1, the first

1, open multiple windows (vim editing) to open multiple Windows commands following several:Horizontal cutting window:New+window name (file name after saving): Split+ window name, can also be abbreviated as: sp+Window name Portrait cutting window

The difference between "" (double quotation marks) and "(single quote) 　 You hit the keyboard behind the shell prompt, and until you press ENTER, the text you typed is command line, and the shell executes the command you submitted in a process

The biggest difference between Linux and Windows is that Linux source code is open, i.e. open source. I. Linux Fundamentals Linux consists of single-purpose small programs that combine to accomplish complex tasks; All files in

1.Linux Features:1. Open source2. Free3. Stability2.shell: Command line interpreter to identify and analyze commands. Shell Development Shell (interface Program) and Windows window functions the same.Shell Shell Features:1. Read and Identify

The description of the week process and the creation of the process the process descriptor TASK_STRUCT data structure 1. Operating system three major functions Process Management Memory management File system 2.Process Control

Linux Kernel Analysis Sixth Week study summary--description of the process and creation of the processZhang Yi (Original works reproduced please specify the source)"Linux kernel Analysis" MOOC course http://mooc.study.163.com/course/USTC-1000029000I.

Have you ever experienced a situation where you log in to a remote Linux host from the terminal software, Compress a large pile of files into a. tar.gz file, compressed for half an hour is not finished, at this time, suddenly you broke the network,

1. Split--Split commandYou can specify two modes, split by number of rows and split by byte size.(1) Split by number of rowsSplit large_file.txt New_file_prefixPlus-D, use a numeric suffix, plus--verbose to show the split progress:split -l50000-d

The commands commonly used in the MySQL database process are listed below: use database name : Select the MySQL database you want to manipulate, and all MySQL commands are only for that database after using this command. SHOW DATABASES:

1. Unpack the installation package to the path/usr/local1.1.sudo tar -zxf ~/download/hbase-1.1.2-bin.tar.gz-c/usr/local 2. Change the extracted filename hbase-1.1.2 to hbase for easy use2.1sudo mv /usr/local/hbase-1.1.2/usr/local/hbase 3. View HBase

Open multiple FilesVim File1 file2: Open/:e does not close vim open fileSub-frame window: New Window: SP Landscape: VSP Portraitctrl+w window switch: TABC Close the current window: Tabo Close All windows: Ctrl+w + Vertical expansion (Increased

The operating system wants to use the user 's concept to limit which resources users can and cannot use, and groups are used to facilitate the organization and management of users.Concepts of users and groupseach user has a userid, and the operating

interprocess communication (Ipc:inner proceeding communication)A process is a way for an operating system to implement an illusion of exclusive system execution. is an abstract representation of the processor, main memory, I/O devices. Each process

Shell Authoring Steps:1. Scripting Vim first.sh2. Write the complete test script Bash-n first.sh3. Granting permission chmod +x first.sh4. Execute the script./first.shPS Shell Script Learning first need to understand Linux, system commands and

grep toolThe shell command line is convenient and the tools it supports are inseparable, and the grep tool is a search artifact that can search all the information in all the files in the entire Linux system.The flexible use of grep is inseparable

Linux environment this article for Linux environment, code in Linux Environment code download. When thewhen you write a program in Linux, consideration must be given toThe program will run in a multi-tasking environment。 This means that there will

1. Introduction to AwkAwk is a programming language that is used to process text and data under Linux/unix. Data can come from standard input, one or more files, or the output of other commands. It supports advanced functions such as user-defined

Find if all files in the directory contain a stringFind. | Xargs Grep-ri "IBM"Finds all files in the directory that contain a string, and prints only the file nameFind. | Xargs Grep-ri "IBM"-l1. Regular expressions(1) Regular expressions are