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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, …
Shell equality operators (=, ==, -eq) Asked 11 years, 8 months ago Modified 3 years, 2 months ago Viewed 637k times
Sep 14, 2012 · $! is the PID of the most recent background command. $0 is the name of the shell or shell script. Most of the above can be found under Special Parameters in the Bash …
Jul 5, 2018 · The relevant man page to check for this is that of the shell itself, bash, because -f is functionality that the shell provides, it's a bash built-in. On my system (CentOS 7), the fine man …
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 …
Aug 3, 2021 · I want to redirect both standard output and standard error of a process to a single file. How do I do that in Bash?
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 …
Apr 3, 2012 · What does a dollar sign followed by an at-sign (@) mean in a shell script? For example: umbrella_corp_options $@
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 …
Oct 27, 2021 · 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 if the first …
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