| ActiveTcl User Guide |

### Tcl >> Tcl Built-In Commands >> Variables and Procedures

Variables and Procedures
    apply - Apply an anonymous function
    array - Manipulate array variables
    global - Access global variables
    incr - Increment the value of a variable
    namespace - create and manipulate contexts for commands and variables
    proc - Create a Tcl procedure
    rename - Rename or delete a command
    set - Read and write variables
    trace - Monitor variable accesses, command usages and command executions
    unset - Delete variables
    upvar - Create link to variable in a different stack frame
    variable - create and initialize a namespace variable

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