shell script ls

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

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

A Shell script Introduction and First specification shell Script Description 1.1 Shell script Introduction What is 1.1.1 shell?The shell is a command interpreter which is responsible for directly working with the user in the outermost layer of the

- 20.1 shell script describes the- 20.2 shell script structure and executes- 20.3 date command usage- 20.4 shell the variables in the script #  20.1 shell Script Introduction-  shell is a scripting language    attention

Ls command (to), ls command Original article: http://www.cnblogs.com/peida/archive/2012/10/23/2734829.html The ls command is the most commonly used command in linux. The ls command is the abbreviation of list. By default, ls is used to print the

--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

Linux Command (1): ls command, linux Command ls The ls command is the most commonly used command in linux. The ls command is short for list. By default, ls is used to print the list of the current directory. If ls specifies other directories, the

I. Basic Shell syntax1. VariablesBy convention, Shell variables are composed of uppercase letters and underscores (_). There are two types of Shell variables:Environment VariableEnvironment variables can be transmitted from the parent process to the

First, Shell script introductionShell scripts to write well, you must continue to practice writing to write well, there is no shortcutTo have a general idea of a script when we get a demand, think of how the need to achieveShell scripting can

The full name of the list means that when we learn something, we have to know what it is, and when you know what it is, your mind will think of a lot of things to learn quickly. 1. Ls-a lists all documents under the document, including the