---x--x--x 1 bin bin 65322 26 Jun 19:42 makelist
An execute-only program: the user can only run the program, but cannot read the content of the program file.
d-wx-wx-wx 1 bin bin 4 15 Jan 20:54 private
A directory than one can cd
to (change directory), but cannot list
files, or write files. But if the user knows the name of a
"hidden" file, he can access it.
d-w--w--w- 1 bin bin 4 15 Jan 20:54 private
Special case: here it is not possible to even write files in the directory: for this to be possible, the "x" but should be present so that the shell can at least check to see if the file already exists.