Run where Joomla is installed
grep "RELEASE" ./libraries/joomla/version.php ./libraries/cms/version/version.php ./includes/version.php ./libraries/src/Version.php --color
Notes
Run where Joomla is installed
grep "RELEASE" ./libraries/joomla/version.php ./libraries/cms/version/version.php ./includes/version.php ./libraries/src/Version.php --color