| $a = "A piece of text." | Assigns a value to object a. |
| $a | Prints out the contents of object a. |
| $a --> $b | Creates a link from $a to $b. |
| $a x-> $b | Removes a link from $a to $b. |
| $a <-> $b | Create a mutual link between $a and $b. |
| $a ?-> $b | Query link status from $a to $b. |
| del $a | Delete object $a. |
| list $a | List all objects $a points to. |
| browse $a level | Browse the structure from $a. |