bash escape single quote

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Daily Linux Command Learning-reference symbol (backslash \, single quote ", double quote")

Reference symbols protect special metacharacters and parameter extensions in the parser using 3 ways: backslash (\), single quotation mark ('), double quotation mark ("").Single and double quotes must be matched to protect special metacharacters and

Daily Linux Command Learning-reference symbol (backslash \, single quote ", double quote")

Reference symbols protect special metacharacters and parameter extensions in the parser using 3 ways: backslash (\), single quotation mark ('), double quotation mark ("").Single and double quotes must be matched to protect special metacharacters and

Zsh vs. bash is not completely contrasted, Zsh is a more powerful shell that becomes the "ultimate"

https://www.zhihu.com/question/21418449Mort | Zsh vs. Bash: Incomplete contrast resolution (1) 2014-10-07BdpqlxzWhat's the difference between zsh and bash?A lot of people have written about "why zsh is better than bash", "Why zsh is better than

Bash string processing (against Java)-2. String Representation (String constant)

Bash string processing (against Java)-2. String Representation (String constant) In JavaYou know!Use single quotes to indicate character constants: 'C'Double quotation marks are used to indicate a String constant: "hello world" Java character escape\

Bash's 24 traps

1. For I in 'ls *. mp3' Common Mistakes: for i in `ls *.mp3`; do # Wrong! Why is it wrong? Because the for... in statement is segmented by space, the file name containing space is split into multiple words. If you encounter 01-Don't eat the

More efficient use of bash--shortcut keys under Linux

Under Linux, the status of Bash is negligible, and the daily management and operation of Linux is mostly done in bash, so in order to improve the productivity of Linux, it becomes the problem of how to use bash efficiently. While some of the special

(2) bash shell?

1. What is shell? In fact, I have heard of shell before I came into contact with Linux. At that time, I was talking about shell programming and I knew nothing about it. But surprisingly, I remember this term when my memory is really bad. Okay,

Use of wildcards and escape characters in a Bash shell

The wildcard asterisk number (*) represents a question mark (?) that matches 0 or more characters. Represents a matching single character in parentheses number ([0-9]) that represents a single digit character between matching 0~9 brackets plus the

Linux shell wildcard characters, metacharacters, escape characters

Introduction to Linux Shell wildcard, metacharacters, escape character usagesWhen it comes to shell wildcard characters (wildcard), they are often used when used. Here is an example: 1 1

Bash Basic Features

1 shell overviewThe shell is a command interpreter that provides the user with an interface system-level program that sends a request to the Linux kernel to run the program. The user can start, suspend, stop, or even write some programs with the

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