On 14-Mar-2002 Paul F. Pearson wrote: > 1) when using Dselect, I sometimes select packages, and find out that I > don't have the space to actually install them. How can I "unselelect all"? > see the help. 'R' reverts the options, 'Q' forces exit, Control-C exits without saving, 'del' is the opposite of 'ins' and removes the selection or marks a package for deletion.