write a Csh script which recursively sets file and directory access
permissions.
Usage of this Csh script
rchmod file_permissions dir_permissions file_or_dir_names
Assumption
This Csh script would be used after the command is in the path and
rehashed.
for example
%rchmod u=rw,go=r u=rwx,go=rx *
Result of above command
The above command sets the permission of all the plains files at the
current working directory and its subdirectories as
rw for user , r for group and others.
The above command also sets the permissions of all the sub-directories
of the current working directory as rwx for user