shell script make directory

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20.1-20.4 Shell: script, script structure and execution, date usage, shell script variables

What is 20.1 shell? The shell is the intermediate medium used when the system interacts with the computer hardware, and it is just a tool of the system. In fact, he has a layer of things between the shell and the computer hardware-the

Shell script programming under Linux 1

1. What is a shell script?It is a scripting language, not a programming language.You can use some logical judgments, loops, and other syntax.You can customize the sub-function, which is a collection of system commands.Shell scripts enable automated

Shell script Basics

Common shell: -------------- from "laruence's Linux private dish" In the early UNIX era, there were many developers, so shell had many versions based on the developer's differences, such Frequently heard Bourne shell (SH ),C shell,Commonly used

Linux Discovery Tour | Part V Lesson two: a shell deep like the sea, cool shell love

--book author Shenmon reprint please specify the source Content Introduction Objective What is a shell? Our first shell script Run the shell script Summarize Part V Third lesson preview: variable in hand, shell not

Shell script programming Basics

Shell programming BASICS (from the UBUNTU Forum) (12:49:20) Reprinted Tags:Shell Classification: programming (C ++) Http://wiki.ubuntu.org.cn/Shell%E7%BC%96%E7%A8%8B%E5%9F%BA%E7%A1%80 Why shell programming?In Linux, although there

Linux Shell script programming Basics

Document directory Variable assignment and reference If sentence & | Operator Case statement Select statement ============================================== = While/for Loop Quotation marks Binary to decimal conversion Circular file copy

Linux Shell Script Basic Learning Details (full version) one

Basics of Linux Shell scripting here we first talk about the shell of the basic syntax, the beginning, comments, variables and environment variables, to do a basic introduction, although not related to specific things, but lay the foundation is to

Linux Shell Script interview 25 Ask Collection _linux shell

What is the Q:1 shell script and is it required? A: A shell script is a text file that contains one or more commands. As a system administrator, we often need to use multiple commands to complete a task, and we can add all of these commands in a

Shell Script Authoring Tutorial

Create a scriptThere are many different shells in Linux, but usually we use Bash (Bourne again shell) for Shell programming because bash is free and easy to use. So the script I've provided in this article is all about using bash (but in most cases

What you need to know before you learn a shell script

Knowledge before learning shell scripts1) Record command historyThe commands we've knocked on, Linux will be recorded, and presets can record 1000 historical commands. These commands are saved in the. bash_history file in the user's home directory.

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