usage: trnls {-t [-{a|c}] | -T transaction global ID [-{a|c}] | -bc | -B system node ID [-{a|c}] | -rc | -R RM name + RM extension ID [-{a|c}]}

This message shows the correct usage of the trnls (transaction status display) command. It is output when:

• -h is specified for a command option;
  or,
  
• The usage of a command option or argument is incorrect.

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

O: If the usage is incorrect, reenter the command in correct usage.