manual
/usr/bin/keytool
keytool.1.gz
/usr/share/man/man1/keytool.1.gz

/usr/lib/jvm/java-17-openjdk-amd64/bin/keytool
1711
/usr/lib/jvm/java-17-openjdk-amd64/man/man1/keytool.1.gz

