We should create some basic overview for every script we ship, this should contain description of service provided by script, list of switches, list of possible arguments and some examples with expected output. vault script is mentioned in Chapter 3.8.3 of security guide: http://documentation-devel.engineering.redhat.com/docs/en-US/JBoss_Enterprise_Application_Platform/6.2/html/Security_Guide/Mask_the_Keystore_Password_and_Initialize_the_Password_Vault..html