"Learning notes" Bash shell login, logoff, execution, etc.

• Login:

Bash executes/etc/profile first and then calls ~/.bash_profile.

• Cancellation:

Bash calls ~/.bash_logout.

• Execute the new shell:

In desktop management programs such as KDE,GNONE,ICEWM, execute terminal programs or perform manual

/bin/bash, or invoking the shell in an editing program, calls/ETC/BASH.BASHRC first,

Call ~/.BASHRC again.

• Execute script (using #!/bin/bash):

does not call. BASH_PROFILE,.BASHRC, but checks the contents of bash_env if it is not empty

Executes the startup file that it specifies.

• Execute script (using #!/bin/sh):

No startup files are called, and there are no other actions to check environment variables.

"Learning notes" Bash shell login, logoff, execution, etc.