PICKFIRST is a system variable that’s used to control whether we can select objects before we start a command.
When the PICKFRIST system variable value is 0, which means the PICKFIRST is off and we cannot select objects before we start a command.
When the PICKFIRST system variable value is 1, which means the PICKFIRST is on and therefore we can select objects before we start a command.
| Value | Description |
| 0 | Pickfirst not available; unable to select objects before we start a command |
| 1 | Pickfirst available; able to select objects before we start a command |
How PICKFRIST works
- Enter “PICKFIRST”, as shown in the following picture,
2. Then press Enter key, as we are prompted to “Enter new value for PICKFIRST”, we can see the system variable is <1>, as shown in the following picture,
3. Since the value is 1, which means PICKFIRST is available;
4. Select objects that we want to erase > Enter ERASE > press Enter key > what happens next is that the objects are gone as long as we execute the ERASE command
