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HomeSystem TutorialLINUXWhat should I do if the Linux command line displays garbled characters? Set the character encoding to UTF-8 to solve the problem

Linux 命令行显示乱码怎么办?设置字符编码为 UTF-8 即可解决

When the Linux command line displays garbled characters, you can try to set the character encoding to UTF-8. It can be set via the following commands:,,"bash,exportLC_ALL=en_US.UTF-8,exportLANG=en_US.UTF-8,"

In Linux systems, garbled characters displayed on the command line are a common problem. This is usually caused by incorrect character encoding settings. This article will introduce in detail how to solve the problem of garbled characters displayed on the Linux command line.

1. Understand character encoding

linux命令行显示乱码怎么解决

Before solving this problem, we need to understand the basic concept of character encoding. Character encoding is a method of encoding the correspondence between characters (such as letters, numbers, and punctuation marks) and two's complement numbers (0 and 1). Different character encoding schemes have different two's complement representation methods. If the character encoding settings are incorrect, the command line may display garbled characters.

2. Detect system language and character set

linux中文乱码不重启系统_linux命令行中文乱码_linux程序中文乱码转换

We need to detect the language and character set settings of the system. In Linux systems, you can view the language and character set settings of the system through the following commands:

locale

This command will display the current language, region and character set settings of the system. The output may be similar to:

LANG=en_US.UTF-8
LANGUAGE=en_US:en
LC_CTYPE="en_US.UTF-8"
LC_NUMERIC="en_US.UTF-8"
LC_TIME="en_US.UTF-8"
LC_COLLATE="en_US.UTF-8"
LC_MONETARY="en_US.UTF-8"
LC_MESSAGES="en_US.UTF-8"
LC_PAPER="en_US.UTF-8"
LC_NAME="en_US.UTF-8"
LC_ADDRESS="en_US.UTF-8"
LC_TELEPHONE="en_US.UTF-8"
LC_MEASUREMENT="en_US.UTF-8"
LC_IDENTIFICATION="en_US.UTF-8"
LC_ALL=

From the output results, we can see that the system's character set is set to en_US.UTF-8linux command line Chinese garbled characters, which means that the system uses UTF-8 encoding by default to process text data.

linux程序中文乱码转换_linux命令行中文乱码_linux中文乱码不重启系统

3. Change the terminal’s character encoding settings

If the command line displays garbled characters, it may be because the terminal’s character encoding settings are incorrect. We can change the terminal’s character encoding settings in the following ways:

3.1 Change the character encoding settings of Vim editor

linux命令行显示乱码怎么解决

Vim is a commonly used text editor. We can change its character encoding settings to prevent the command line from displaying garbled characters. In Vim, you can view and change the character encoding settings through the following commands:

linux程序中文乱码转换_linux命令行中文乱码_linux中文乱码不重启系统

:set fileencodings=utf-8,gbk,gb18030,gb2312,big5,euc-jp,euc-kr,hz,iso-2022-jp,iso-2022-kr,shift-jis,latin1,cp949,macce,ibm850,ibm866,ibm869,ibm874,ibm037,ibm047,ibm100,ibm1047,ibm1127,ibm1147,ibm1251,ibm1252,ibm737,ibm775,ibm855,ibm857,ibm001,ibm002,ibm005,ibm010,ibm013,ibm0134,ibm0137,ibm273,ibm277,ibm278,koi8-r,koi8-u,koi8-ru,utf-16le,utf-16be,utf-32le,utf-32be,utf-7,binary,base64,hex
:set encoding=utf-8

3.2 Change Xshell’s character encoding settings

Xshell是一款常用的SSH顾客端,我们可以更改其字符编码设置来防止命令行显示乱码,在Xshell中,可以通过以下步骤更改字符编码设置:

1、打开Xshell,点击“文件”菜单,选择“属性”。

2、在弹出的“属性”窗口中,选择“终端”选项卡。

linux中文乱码不重启系统_linux命令行中文乱码_linux程序中文乱码转换

3、在“终端”选项卡中,找到“字符编码”下拉框,选择正确的字符编码(如UTF-8)。

4、点击“确定”按钮,保存设置。

4.重启系统和应用

linux命令行显示乱码怎么解决

更改完终端的字符编码设置后,须要重启系统和应用以使设置生效,在Linux系统中,可以通过以下命令重启系统:

linux程序中文乱码转换_linux命令行中文乱码_linux中文乱码不重启系统

sudo reboot

对于其他应用,如Vim、Xshell等,一般可以通过关掉并重新打开应拿来使设置生效。

相关问题与解答:

问题1:怎么查看系统的字符集设置?

答:可以通过运行locale命令查看系统的字符集设置linux操作系统原理,输出结果中的LANG变量表示系统的字符集设置。

问题2:怎么更改Vim编辑器的字符编码设置?

答:在Vim中,可以通过运行:setfileencodings命令查看和更改文件的字符编码设置,通过运行:setencoding命令可以更改当前缓冲区的字符编码设置linux命令行中文乱码,要使设置永久生效linux计划任务,可以将这两个命令添加到Vim的配置文件(如~/.vimrc)中。

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