What is the difference between these two commands which are used to run shell script?

Question

Here I have one script which exporting some necessary path in Linux. After running this script I have to run some other scripts.

I have two scripts

1 imp         


        

Answer 1

./import.sh executes the shell script in a new sub shell shell.

. ./import.sh executes the shell script in the current shell.
The extra . denotes the current shell.