keytool -genkeypair -dname "CN=Mark Smith, OU=JavaSoft, O=Sun, L=Cupertino,
keytool -exportcert -alias mykey -file MJ.cer
keytool -importcert -alias abc -file ABCCA.cer
keytool -printcert -file /tmp/cert
keytool -printcert -file VScert.cer
keytool -genkeypair -dname "cn=Mark Jones, ou=JavaSoft, o=Sun, c=US"
keytool -certreq -file MarkJ.csr
keytool -genkeypair -alias duke -keypass dukekeypasswd
keytool -importcert -trustcacerts -file VSMarkJ.cer
keytool -keypasswd -alias duke -keypass dukekeypasswd -new newpass
keytool -printcert {-file cert_file} {-v}