linux - What does $@ mean in a shell script? - Stack Overflow
Apr 3, 2012 · What does a dollar sign followed by an at-sign (@) mean in a shell script? For example: umbrella_corp_options $@
Difference between ${} and $() in a shell script - Super User
Difference between $ {} and $ () in a shell script Ask Question Asked 10 years, 3 months ago Modified 8 months ago
bash - Shell equality operators (=, ==, -eq) - Stack Overflow
Shell equality operators (=, ==, -eq) Asked 11 years, 10 months ago Modified 3 years, 4 months ago Viewed 644k times
shell - How to concatenate string variables in Bash - Stack Overflow
Nov 15, 2010 · A bashism is a shell feature which is only supported in bash and certain other more advanced shells. It will not work under busybox sh or dash (which is /bin/sh on a lot of …
error in unix shell script - Unix & Linux Stack Exchange
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shell - What is the "eval" command in bash? - Unix & Linux Stack …
What can you do with the eval command? Why is it useful? Is it some kind of a built-in function in bash? There is no man page for it..
What is the difference between shell, console, and terminal?
The shell is the program which actually processes commands and returns output. Most shells also manage foreground and background processes, command history and command line editing.
How to represent multiple conditions in a shell if statement?
Sep 30, 2010 · How to represent multiple conditions in a shell if statement? Asked 15 years ago Modified 3 years, 9 months ago Viewed 1.2m times
How to set environment variables from .env file - Stack Overflow
Apr 7, 2017 · 119 Let's say I have .env file contains lines like below: USERNAME=ABC PASSWORD=PASS Unlike the normal ones have export prefix so I cannot source the file …
shell - How to mkdir only if a directory does not already exist ...
I am writing a shell script to run under the KornShell (ksh) on AIX. I would like to use the mkdir command to create a directory. But the directory may already exist, in which case I do not …