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# Give the script file correct permssions $chmod 744 <name of scipt file e.g script.sh>
$ chmod 744 script.sh
#now the file is ready to run run it with $ ./<name of scirpt file e.g. script.sh>
$ ./script.sh
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chmod 744 script.sh # allow file to run as program
./script.sh # run file
#ALTERNATIVE METHOD
chmod +x fileName # allow file to run as program
./script.sh # run file