Execute export and use man bash in Linux shell System

I recommend a very good Linux shell System for you to learn. Here I will mainly explain the application of the Linux shell system, including introducing the knowledge of the Linux shell system.

1. Execute export in Linux shell:

Declare-x LANG = "en_US" is the LANE environment variable that we want to modify. But where can it be modified?

2. Use man bash in Linux shell:

When bash is invoked as an interactive login shell, or as a non-interactive shell with the -- login option, it first reads and executes commands from the file/etc/profile, if that file exists. after reading that file, it looks ~ /. Bash_profile ,~ /. Bash_login, and ~ /. Profile, in that order, and reads and executes commands from the first one that exists and is readable. The -- noprofile option may be used when the shell is started to inhibit this behavior.

Bash reads these configuration files in sequence during logon:

 
 

  
  
/etc/profile  
  
  
/.bash_profile  
  
  
/.bash_login  
  
  
/.profile 
 
 

Iii. Default Linux shell Language

It should be modified in the system-level file (/etc/profile) so that the modification result can be inherited by every user: Open/etc/profile, directly on it, the LANG variable setting command cannot be found, but the script also executes other scripts: for I in/etc/profile. d /*. sh; doif [-r "$ I"]; then. $ I fi done

4. In the/etc/profile. d/directory, view the *. sh script and find a file named "lang. sh", which should be:

Open/etc/profile. d/lang. sh: for langfile in/etc/sysconfig/i18n $ HOME /. i18n; do [-f $ langfile] &. $ langfile & sourced = 1done/etc/sysconfig/i18n is the place where the default system language is set. For my system, its content is as follows:

 
 

  
  
LANG="en_US" 
  
  
SUPPORTED="en_US:en" 
  
  
SYSFONT="lat0-sun16" 
  
  
SYSFONTACM="iso01" 
 
 

If you want the system's default language to change to UTF-8, you can change LANG to: LANG = "en_US.UTF-8"

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