⎕LX Latent Expression

The system variable ⎕LX contains a text expression to be executed when the workspace is loaded. When the workspace is loaded, the execute function is used to execute ⎕LX, and so ⎕LX can be used to invoke a function, print some text, or execute a multi-statement line.

             ⎕LX←'START'                      Runs START
             ⎕LX←''' TEXT STRING'''           Prints TEXT STRING
             ⎕LX←''' TEXT STRING'' ⋄ START'   Does both