usage: dcrsls [shm|sts]

This message indicates the dcrsls specification format. It is displayed when any one of the following is satisfied:

• -h (help message display) was specified for the command option.
• The specified command option or argument is invalid.

S: Stops the command processing if the command usage is incorrect.

O: If the command usage is incorrect, determine the correct usage, then re-execute the command.