linux scripting basics

n rowsMORE: Every time a page is displayed on the screenIv. browsing, management and maintenance of catalog filesIn a Linux or Unix operating system, all files and directories are organized into an inverted tree structure that starts with the root node.The root directory is represented by "/"Here are some of the important directories in LinuxBin directory: Used to store common executable filesSbin Directory: The executable file used to store the syst

: Household directory;/lib: The most basic dynamic Link sharing library of the system;/MNT: Generally empty, used to temporarily mount other file systems;/proc:, is the memory mapping;/sbin: System administrator command to store directory;/usr: The largest directory, the storage of applications and files;/usr/include: System header file;/usr/lib: Store common dynamic Link shared library, static archive;/usr/bin,/usr/sbin: This is a supplement to/bin,/sbin　　Naming laws1, the first thing to jump o

kernel, initrd;grub system Boot Manager, also in this directory./bin: The commands required by the basic system, functions and "/usr/bin" are similar, the files in this directory are executable. Normal users can also be executed. /sbin: Basic system maintenance commands that can only be used by super users./etc: all system configuration files./dev: Device file storage directory. Like terminals, disks, optical drives, etc./var: store frequently changing data, such as logs, mails, etc./home: Dire

Tags: close work Big Data strong time col https Microsoft PosI. Introduction to Linux systems:　　Linux is a free-to-use and free-to-propagate Unix-like operating system, a POSIX and Unix-based multiuser, multitasking, multi-threaded and multi-CPU operating system. It can run major UNIX tools software, applications, and network protocols. It supports 32-bit and 64-bit hardware.

Learn about the basics of computer and the rules of Liunx origin and free software protocol, learn the basics of getting started with Linux today:First, the management of Linux package is explained.1, the composition of the package:(1) Binary files(2) configuration file(3) Library file(4) Help file2. Composition of the

1993 in North Carolina State, USA)SLS (1991)Debian (a researcher in Germany around 1992)--The only organization not supported by business organizations--the owner (who is responsible for maintaining Debian) is from the Internet, Technology is the most advanced, but also the most difficult to use.SUSE (three German university students) acquired by Novellis responsible for compiling the source code format of Linux on a common computer platform to be co

configuration filevi /etc/sysconfig/network-scripts/ifcfg-eth0# 删除“HWADDR”和“UUID”这两行（可以按键盘上的d两次删除一行）② if necessary, clear the following files:> /etc/udev/rules.d/70-persistent-net.rules③ if it is necessary to restart the systemreboot8. Clear the History recordhistory -c # 清除所有history -d 5 # 删除第五条内容export HISTSIZE=5 # 控制命令行历史记录数量为5(Linux特殊变量)export HISTFILESIZE=3 # 命令行命令对应文件的记录数 ~/.bash_history(Linux特殊变量)

In fact, no matter what system you learn, it is very important to start from scratch! What do you do when you get started with Microsoft Windows? It's not just the case that the archive manager learns, and then slowly plays to the console, plays to desktop management, and then learns office software. I think, shouldn't you skip this learning course directly? SoLinuxIn fact, the learning is similar, that is, to learn from the beginning slowly! I want to learn to fly before I can't walk! ^_^! Some

Nearly a week of basic Linux basics to learn, so I have a more comprehensive and overall understanding of Linux, through this week's study I compare Linux with Windows found that there are many special differences with Windows,linux to go to Windows, It also has a certain un

and go back to Ubuntu Software Center and the system will start updating the software source information and wait for it to complete. You can install Ubuntu tweak by searching for Ubuntu-tweak in the Ubuntu Software Center. After installing Ubuntu Tweak, we can also add the PPA of the direct-to-use software via the Software Source Center in Ubuntu Tweak, adding a process more convenient.Now we understand some of the basics that are needed to

following parts:Binary programConfiguration fileLibrary filesHelp file3, the Linux Package Manager role:Package program composition files into one or a limited number of filesInstallationUnloadingInquire4. Linux Distribution Package Manager Release version Package Manager Front-end management tools Debian Dpkg (Deb) Apt-get RedHat Rpm

location of the file you are manipulating relative to your current directory, that is, starting at your location and looking for the target file)The file name omits the value of the current pathAvailable only when you are currently in this directoryFile name does not start with/The file name will automatically be added to the ' PWD ' Display path in the word match either(2), Absolute pathis the real location of the file in the systemThe name of a file can be accurately represented at any timeFi

Linux driver features basics-Linux general technology-Linux programming and kernel information, the following is a detailed description. Linux provides a unified abstract interface for applications through the device driver, which hides the differences and details between a

DeamonsMany applications come with help documentation:/usr/share/doc/ChangeLog: Changes in program version upgradesInstall: Installation Method descriptionREADME: Program Description InformationWhen we learn Linux, we can read more and correspond to the official documents of the hairstyle edition.Have not seen the command to go gfsoso.com search, remember to search, because a lot of problems have been met by othersYou are welcome to point out bug fix

: Change the file access time to the current system time-M: Change the file modification time to the current system time-T: Set the access time and modification time of the file yourself.8. Display all files or directories in the/var directory that start with L, end with a lowercase letter, and have at least one digit (can have other characters) appear in the middle.ls/var/l*[[:d Igit:]]*[[:lower:]]9. Displays files or directories that start with any number in the/etc directory and end with a no

for the service; /tmp: Application-generated temporary file storage directory for all users to write operations with special permissions; / USR: read-only data directory for globally shared; /usr/local: Install local application; /var: a directory that stores frequently changing data; nbsp /PROC: A memory-based virtual file system for storing information about the kernel and processes (many kernel parameters); / The SYS:SYSFS virtual file system provides a better way to access the k

Linux Command Basics. Experimental objectivesSkilled basic commands. Experimental steps Linux Command line Basics [[email protected] ~]# ls//View list target content[[email protected] ~]# ls-l//display in long format[[email protected] ~]# ls-l/boot///Show boot content[Email protected] ~]# ls-l/boot/root//

If you only look at the previous theoretical section, although there are some examples, but the system is not enough, here we will show you the Linuxshell script programming, to help you learn and improve the foundation of Linuxshell. Linux shell script basics if you only look at the previous theoretical section, although there are some examples, but it is not systematic enough, here we will show you a spec