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
$(command) is “command substitution”. As you seem to understand, it runs the command, captures its output, and inserts that into the command line that contains the $(…); e.g., $ ls -ld …
shell - Difference between sh and Bash - Stack Overflow
Dec 14, 2024 · Shell - "Shell" is a program, which facilitates the interaction between the user and the operating system (kernel). There are many shell implementations available, like sh, Bash, …
bash - Shell equality operators (=, ==, -eq) - Stack Overflow
Shell equality operators (=, ==, -eq) Asked 11 years, 7 months ago Modified 3 years, 1 month ago Viewed 634k times
What is the purpose of "&&" in a shell command? - Stack Overflow
Dec 22, 2010 · 180 command-line - what is the purpose of &&? In shell, when you see $ command one && command two the intent is to execute the command that follows the && only …
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 …
shell - How do I set a variable to the output of a command in Bash ...
But as bash is a shell, where the main goal is to run other unix commands and react on result code and/or output ( commands are often piped filter, etc... ), storing command output in …
How do I check if a directory exists or not in a Bash shell script?
What command checks if a directory exists or not within a Bash shell script?
linux - What is the meaning of -n, -z, -x, -L, -d, etc... in Shell ...
linux bash shell edited Nov 16, 2018 at 12:42 asked Nov 15, 2018 at 12:46 jjoselon
shell - How can I compare numbers in Bash? - Stack Overflow
BTW, in bash a semi-colon is a statement separator, not a statement terminator, which is a new-line. So if you only have one statement on a line then the ; at end-of-line are superfluous. Not …