The table below lists the supported Proc commands.
| Command | Description |
|---|---|
| a | Move data argument from input buffer to output buffer. |
| b | Back up input pointer. |
| bo | Back up output pointer. |
| c | Comment. |
| d | Display an input buffer to the terminal. |
| f | Move the input pointer forward. |
| go | Go to a label. |
| h | Move text string to an output buffer. |
| if | Conditional statement. |
| ih | Move a text string to an input buffer. |
| ip | Inputs from the terminal to an input buffer. |
| is | Inputs from the terminal to the primary input buffer. |
| it | Inputs from tape to the primary input buffer. |
| o | Output a text string to the terminal. |
| p | Executes a command in the primary output buffer. |
| ph | Executes a command in the primary output buffer, but suppress all terminal output for the command. |
| pp | Executes a command in the primary output buffer, but displays the output of the output buffers. |
| pw | Executes a command in the primary output buffer, but waits for a user response before continuing. |
| px | Executes a command in the primary output buffer, but returns to TCL, not Proc, after processing. |
| ri | Reset (clear) the input buffers. |
| ro | Reset (clear) the output buffers. |
| s | Sets the position of the input buffer and optionally selects the primary input buffer. |
| sp | Select the primary input buffer. |
| ss | Select the secondary input buffer. |
| ston | Select the secondary output buffer (stack on). |
| stoff | Select the primary input buffer (stack off). |
| t | Formatted terminal output. |
| u | User exit. |
| x | Exits back to TCL or to the calling Proc. |
| + | Adds a decimal number to a parameter in the input buffer. |
| - | Subtracts a decimal number from a parameter in the input buffer. |
| () | Transfers control to another Proc. |
| [] | Subroutine call or call to another Proc. |