script executing . ./

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# 1  
Question script executing . ./

what is the difference between executing the script and . ./

Example : . ./.bash_profile

And also can any one tel me what do source command do?
# 2

would try and find a program called "" on the path and run them in a child process.


would basically interpret the commands inline


would try and find a program called "" in the current directory and run them in a child process.

source is an alias for .
# 3  

So can i run . ./.bash_profile from any of the location? Or do I need to be in the same directory?
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On 05:20:00 UTC on Saturday, 24 January 2065, the Unix time value will equal 4000000000 seconds.
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