bash - Show exit code on shell prompt always 0, why - Stack Overflow
Exit status は無視しないようにしよう | Tosainu Lab
bash - sed pipe not returning expected exit code - Stack Overflow
Linux and Unix exit code tutorial with examples | George Ornbo
exit status code of a command | exit command in shell script | why to use exit command & exit codes - YouTube
Exit a Bash Script: Exit 0 and Exit 1 Explained - Codefather
Bash exit on error
Bash get exit code of command on a Linux / Unix - nixCraft
How to Create a Shell Script in linux - GeeksforGeeks
How to exit from Bash script - Linux Tutorials - Learn Linux Configuration
How to print the last command return code in bash? : Codetryout.com
Bash Exit Code of Last Command
exit (command) - Wikipedia
How To Set And Check Exit Status of Command in Linux - OSETC TECH
Exit (light) Codes – Continuous Integration / Continuous Development (CI/CD) - Github Edition
Exit command - Linux Bash Shell Scripting Tutorial Wiki
A Bash Status of Last Command| DiskInternals
Bash exit on error
Exit command in Linux/Unix – linuxhowto.net
shell - Show exit code of last command in Bash prompt if it returned error - Unix & Linux Stack Exchange
Automatically Show Exit Codes in Bash | Jonathan Palardy's Blog
BASH Guide Summary
List examples of methods for all Bash Shell built-in commands | Develop Paper
