1 let g:netrw_dirhistmax  =10

     2 let g:netrw_dirhist_cnt =4

     3 let g:netrw_dirhist_1='/tmp/x'

     4 let g:netrw_dirhist_2='/tmp'

     5 let g:netrw_dirhist_3='/home/heiko/xxx'

     6 let g:netrw_dirhist_4='/home/heiko/itelli/x'