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 1 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
How can I reduce a videos size with ffmpeg? How can I use ffmpeg to reduce the size of a video by lowering the quality (as minimally as possible, naturally, because I need it to run on a mobile device that doesn't have much available space)?
bash - Revert . or source - Unix Linux Stack Exchange I accidentally sourced the wrong environment from a script Is there any way to 'unsource' it or in other words to revert it and restore the previous environment? The obvious answer is to start fr
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
What is the local6 (and all other local#) facilities in syslog? General info The facilities local0 to local7 are "custom" unused facilities that syslog provides for the user If a developer create an application and wants to make it log to syslog, or if you want to redirect the output of anything to syslog (for example, Apache logs), you can choose to send it to any of the local# facilities Then, you can use etc syslog conf (or etc rsyslog conf) to save