05-24-2002
Deleting a file requires write permission on the directory that contains it. Change permissions on the directory and they delete files. Since all they need to do is get some files, they should not have write permission on anything.
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RMDIR(1) General Commands Manual RMDIR(1)
NAME
rmdir, rm - remove (unlink) directories or files
SYNOPSIS
rmdir dir ...
rm [ -f ] [ -r ] [ -i ] [ - ] file ...
DESCRIPTION
Rmdir removes entries for the named directories, which must be empty.
Rm removes the entries for one or more files from a directory. If an entry was the last link to the file, the file is destroyed. Removal
of a file requires write permission in its directory, but neither read nor write permission on the file itself.
If a file has no write permission and the standard input is a terminal, its permissions are printed and a line is read from the standard
input. If that line begins with `y' the file is deleted, otherwise the file remains. No questions are asked and no errors are reported
when the -f (force) option is given.
If a designated file is a directory, an error comment is printed unless the optional argument -r has been used. In that case, rm recur-
sively deletes the entire contents of the specified directory, and the directory itself.
If the -i (interactive) option is in effect, rm asks whether to delete each file, and, under -r, whether to examine each directory.
The null option - indicates that all the arguments following it are to be treated as file names. This allows the specification of file
names starting with a minus.
SEE ALSO
rm(1), unlink(2), rmdir(2)
4.2 Berkeley Distribution April 29, 1985 RMDIR(1)