krb5-auth-dialog (1) - Kerberos 5 credential checking
mysqlaccess (1)      - client for checking access privileges
named-checkconf (8)  - named configuration file syntax checking tool
named-checkzone (8)  - zone file validity checking or converting tool
named-compilezone (8) - zone file validity checking or converting tool
probe::signal.check_ignored (3stap) - Checking to see signal is ignored
sechecker (1)        - SELinux policy checking tool