| ActiveTcl User Guide |

### Tcl >> Tcl Built-In Commands >> Interpreter Routines

Interpreter Routines
    bgerror - Command invoked to process background errors
    history - Manipulate the history list
    info - Return information about the state of the Tcl interpreter
    interp - Create and manipulate Tcl interpreters
    memory - Control Tcl memory debugging capabilities
    unknown - Handle attempts to use non-existent commands

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