Unix file/directory permissions

[Carey Goad]

I would like to create a directory that allows any user to add, change, and delete files from subdiretories under the directory. I do not want to use umask if possible - is there a way to do this with the sticky bit? I would prefer directories and files to be created with rwxrwxrwx (everyone having full access).

Thanks

[James R. Ferguson]

Carey:

Take a look at document #A4770206 ( Prevent removal of files by non-owner; set sticky bit on dir ). I think this defines and meets your objectives.

...JRF...

[Shannon Petry]

What you need to do is set permissions to 1777 on the directory. I.e.
> mkdir /users_stuff
> chmod 1777 /users_stuff
> ll /users_stuff
drwxrwxrwt 2 root other 117 Sep 14 14:22 ./users_stuff

This is the sticky bit which allows users to create and delete files in this directory, but other users can not delete their files. In all UNICES other than HP-UX, this is the default permissions for /tmp, /var/tmp, and /usr/tmp. TAKE NOTES HP!

[federico_3]

A directory with sticky bit set means that only the file owner and the superuser may remove files from that directory. Other users don't have the rigth do do this regardless the dir. permissions.
If a directory is writable and has the sticky bit set, files within that dir. can be removed or renamed only if one or more of the following is true:
The user owns the file
the user owns the dir
the file is writable by the user
the user is root

About the creation of files and subdirectories there are not problems!

I hope this helps

Federico