Linux User Login Shell and login read configuration file

The type of shell that stands in terms of user login:

Log-in Shell:

Log in normally via a terminal

Su-username

Su-l USERNAME

Non-logon Shell:

Su USERNAME (using su to switch users without any parameters)

Open Command Window under GUI

Shell scripts that are executed automatically

Bash configuration file:

Global configuration

/etc/profile,/etc/profile.d/*.sh,/etc/bashrc

Personal configuration

~/.bash_profile,~/.bashrc

File for Profile class:

Setting environment variables

Run a command or script

Files of the BASHRC class:

Setting Local Variables

Defining command aliases

How the login shell reads the configuration file:

/etc/profile-->/etc/profile.d/*.sh-->~/.bash_profile-->~/.BASHRC-->/ETC/BASHRC

How the non-logon shell reads the configuration file:

~/.BASHRC-->/ETC/BASHRC-->/etc/profile.d/*.sh

This article is from the "Kaka" blog, please be sure to keep this source http://cakaluote.blog.51cto.com/504821/1612494

Linux User Login Shell and login read configuration file