Crsctl command syntax

[oracle@oracls2 bin]$ crsctl
Usage:
crsctl check crs - checks the viability of the Oracle Clusterware
crsctl check cssd        - checks the viability of Cluster Synchronization Services
crsctl check crsd        - checks the viability of Cluster Ready Services
crsctl check evmd        - checks the viability of Event Manager
crsctl check cluster [-node ] - checks the viability of CSS across nodes
crsctl set css - sets a parameter override
crsctl get css - sets the value of a Cluster Synchronization Services parameter
crsctl unset css - sets the Cluster Synchronization Services parameter to its default
crsctl query css votedisk - lists the voting disks used by Cluster Synchronization Services
crsctl add css votedisk - adds a new voting disk
crsctl delete css votedisk - removes a voting disk
crsctl enable crs - enables startup for all Oracle Clusterware daemons
crsctl disable crs - disables startup for all Oracle Clusterware daemons
crsctl start crs [-wait] - starts all Oracle Clusterware daemons
crsctl stop crs [-wait] - stops all Oracle Clusterware daemons. Stops Oracle Clusterware managed         resources in case of cluster.
crsctl start resources - starts Oracle Clusterware managed resources
crsctl stop resources - stops Oracle Clusterware managed resources
crsctl debug statedump css - dumps state info for Cluster Synchronization Services objects
crsctl debug statedump crs - dumps state info for Cluster Ready Services objects
crsctl debug statedump evm - dumps state info for Event Manager objects
crsctl debug log css [module:level] {,module:level} ... - turns on debugging for Cluster
                                                                                         Synchronization Services
crsctl debug log crs [module:level] {,module:level} ... - turns on debugging for Cluster Ready Services
crsctl debug log evm [module:level] {,module:level} ... - turns on debugging for Event Manager
crsctl debug log res [resname:level] ... - turns on debugging for Event Manager
crsctl debug trace css [module:level] {,module:level} ... - turns on debugging for Cluster    
                                                                                     Synchronization Services
crsctl debug trace crs [module:level] {,module:level} ... - turns on debugging for Cluster        
                                                                                          Ready   Services
crsctl debug trace evm [module:level] {,module:level} ... - turns on debugging for Event Manager
crsctl query crs softwareversion [] - lists the version of Oracle Clusterware software     
                                                                               installed
crsctl query crs activeversion - lists the Oracle Clusterware operating version
crsctl lsmodules css - lists the Cluster Synchronization Services modules that can be used for
                                   debugging
crsctl lsmodules crs - lists the Cluster Ready Services modules that can be used for debugging
crsctl lsmodules evm - lists the Event Manager modules that can be used for debugging

If necessary any of these commands can be run with additional tracing by adding a 'trace'
 argument at the very front. Example: crsctl trace check css