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What is the difference between . . and source? [duplicate] When the script is done, any changes that it made to the environment are discarded script The above sources the script It is as if the commands had been typed in directly Any environment changes are kept source script This also sources the script The source command is not required by POSIX and therefore is less portable than the shorter
What is the difference between ~ . profile and ~ . bash_profile? The original sh sourced profile on startup bash will try to source bash_profile first, but if that doesn't exist, it will source profile Note that if bash is started as sh (e g bin sh is a link to bin bash) or is started with the --posix flag, it tries to emulate sh, and only reads profile Footnotes: Actually, the first one of bash_profile, bash_login, profile See also: Bash
What is the purpose of . bashrc and how does it work? My comment is just a stronger statement of Ilmari Karonen's 2014 comment It is factually incorrect to say " bashrc runs on every interactive shell launch" A login shell is an interactive shell, and it's the counterexample: a login shell does not run bashrc It would be correct to say " bashrc is run by every interactive non-login shell" Bash Reference Manual, section 6 2, "Bash Startup FIles"
How do I apply the changes to the . zshrc file after editing it? You could source the new file, which would work for some changes, possibly including updating the PATH variable (depending on other lines) However, sourcing it would simply run zshrc again, and you might execute unexpected duplicate commands Moreover, if there were deleted lines from the old zshrc, then they wouldn't be "erased" from the
How can I make a script in etc init. d start at boot? I think I read something a while back about this, but I can't remember how it's done Essentially, I have a service in etc init d which I'd like to start automatically at boot time I remember i
bash - read only TMOUT variable - Unix Linux Stack Exchange You'll need to complete a few actions and gain 15 reputation points before being able to upvote Upvoting indicates when questions and answers are useful What's reputation and how do I get it? Instead, you can save this post to reference later
bash: ‘export: command not found - Unix Linux Stack Exchange There is a mistake every time a new terminal is opened, error: "bash: ‘export: command not found" I only copy export all_proxy="" and export ALL_PROXY="" to terminal,then when I open a new termi
How can I update to a newer version of Git using apt-get? I know I can install from source to get the newest version, but I thought that it was a good idea to use the package manager as much as possible to keep everything standardized So is it possible to use apt-get to get a newer version of git, and what is the right way to do it?
How to run `source` with `docker exec`? - Unix Linux Stack Exchange Source is not an executable (source is a bash shell built-in command that executes the content of the file passed as argument) You should run source like this: docker run --rm -ti _image_name_ bash -c 'source FILE'