The most recent version of this documentation can be found at https://docs.dyalog.com/20.0/.
This command displays the names of global defined operators in the active workspace or current namespace. Names are displayed in ⎕AV collation order. If a name is included after the command, only those names starting at or after the given name in collation order are displayed.
Examples
)OPS AND DOIF DUAL ELSE POWER )OPS E ELSE POWER