There are two file panels and two corresponding working directories:

Overview of related functions:
| ctrl-X | exchange primary <--> secondary panel |
| alt-= | compare files in both directories and mark differences |
| ctrl-E | insert the name of the secondary working directory |
| <esc> ctrl-E | insert the name of the current working directory |
| <F5> and <F6> |
commands COPY and MOVE normally copy and move files
from the current directory to the secondary working directory
|