sed -n -e '/Starting string/,/Ending string/ p' /path/to/file
or with awk if sed doesn’t work for whatever reason there’ll be:
awk '/Starting string/,/Ending string/' /path/to/file
sed -n -e '/Starting string/,/Ending string/ p' /path/to/file
or with awk if sed doesn’t work for whatever reason there’ll be:
awk '/Starting string/,/Ending string/' /path/to/file