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Source vs . why different behaviour? - Unix Linux Stack Exchange source is a shell keyword that is supposed to be used like this: source file where file contains valid shell commands These shell commands will be executed in the current shell as if typed from the command line
What is the difference between . and source in shells? 2 source is there for readability and self-documentation, exists because it is quick to type The commands are identical Perl has long and short versions of many of its control variables for the same reason
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"
Use config file for my shell script - Unix Linux Stack Exchange 36 source is not secure as it will execute arbitrary code This may not be a concern for you, but if file permissions are incorrect, it may be possible for an attacker with filesystem access to execute code as a privileged user by injecting code into a config file loaded by an otherwise-secured script such as an init script
Is there a way to download pure Unix? I'm just asking out of curiosity, is there a way to obtain a 'pure' so to say copy of Unix? So, not OS X or Linux with Unix in the background, but simply Unix
How to determine where an environment variable came from? I have a Linux instance that I set up some time ago When I fire it up and log in as root there are some environment variables that I set up but I can't remember or find where they came from I've