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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
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
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 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
linux - How to permanently enable newer version of software installed . . . An alternative of source opt rh devtoolset-4 enable is source scl_source enable devtoolset-4 The above shell script scl_source is more elegant than using a hard coded path (may be different on another machine) However scl_source does less because opt rh devtoolset-4 enable uses scl_source and other stuff To use scl_source you may have to upgrade package scl-utils yum update scl-utils # old