File space at ND
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Share
files with others File space at ND |
You have created a document and want to share it with others in your department. Where should you put it so others can read it? Copy it? Change it? How can others find that document to read?
At Notre Dame, you have quite a few ways to share files. The easiest way is to save the file in ND networked file space such as your personal H:\public or N:\Public. That way, others in the ND community can read the file and copy it. Another option is to save your file in your department's networked file space to which all department members have access.
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Until OIT has finished developing
and defining NetFile space (N:\) we suggest that you do not use it to
store files.
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Note:
Where shared files can be saved...
| A:\ | You can copy a file to a floppy disk and hand the disk to someone else. This is commonly referred to as 'sneaker-net'. |
| C:\ or D:\ | A file saved to one of your local hard drives can be seen, read, changed or deleted by anyone using that computer. This is not a good option. |
| H:\public | Generally, anyone with an ND NetID can read and copy files placed here. They can't change or delete files. |
| H:\private | Nobody but you can see, read, copy, or delete files placed here. |
| H:\www | Files placed here can be seen by anyone worldwide with network access |
| H:\YESTRDAY | Every night all files from H:\ and all subdirectories are copied here. You can read and copy them, but not change or delete them. You can't save a file here. |
| H:\??? | Any folder you create in your H:\ space will allow anyone with an ND NetID to see the names of the files [list] but that's all...until you change the security rights. |
| N:\Public | Generally, anyone with an ND NetID can read and copy files placed here. They can't change or delete files. |
| N:\Private | Nobody but you can see, read, copy, or delete files placed here. |
| N:\www | Eventually, files placed here can be seen by anyone worldwide with network access. At the moment, they can't. |
Changing Security in AFS (H:\)
Ahhh...now we get into the really interesting stuff: the Access Control List, or ACLs. ACLs, security, permissions -- we tend to use these terms interchangeably. They all refer to the same thing: controlling who can access which files and in what manner.
How
can I control who sees my file?
On your H: drive, security rights (ACLs) are managed on a folder-by-folder
basis, not individually file-by-file. You can control access to each of the
folders in your H:\ drive separately. Let's say
you want to share an MSWord document called OpeningProcedures.doc with
the people in your department, but not with everyone at Notre Dame. There are
many ways to accomplish this. Here's one of them.
Permissions (copied from AFS
Client Help)
| L | Lookup (always) |
Users can view the names of subfolders and files within a folder, display details of a folder's contents, examine the ACL for a folder, and access a folder's subfolders (unless restricted by subfolder ACLs). Note that users cannot view the contents of subfolders without first having Lookup. If a user is denied Lookup permission, all other permissions are denied. |
| R | Read | Users can read the contents of the files in a folder. |
| I | Insert | Users can create new subfolders and add files to a folder either by creating new files or by copying existing files. |
| D | Delete | Users can remove files and subfolders from a folder. |
| W | Write | Users can modify the contents of the files in a folder. |
| K | Lock | Users can run programs that place advisory locks on files in a folder. |
| A | Administer | Users can change the ACL for a folder. Users have the Administer permission on their home folder and its subfolders. |
How
do I find a file in someone elses H:\public space?
First, find the home directory of the person or department. Go to Start
| Library Staff Applications | Utilities | Open another user's home directory.
Enter the NetID of the person or department whose home directory you want to
find, and a Windows Explorer window will open with their home directory shown.
Double-click on the Public folder to list all the files.
How do I create a shortcut
to a file in someone elses H:\Public folder?
First, find the file. Once you see the file listed,
right-click on it, select 'Create Shortcut', and click OK when asked if you
want the shortcut to be placed on the desktop. You can drag that shortcut from
your desktop to a folder if you like. Incidentally, you can use the same technique
to create a shortcut to any folder in someone elses H:\ space.
How can I allow someone
to modify my original file?
See the 'How can I control who sees my
file?' topic. Make sure the 'Write' permission is checked for each
person you wish to allow to change your file. See Permissions
for details on each option.
How to Create a shortcut
to "Open another user's home directory"
Go to Start | Library Staff Applications | Utilities. Drag the "Open
another user's home directory" to your desktop. Just move your cursor over
the file name, click-and-hold the left mouse button down, and move your cursor
to the desktop before releasing the mouse button.
How
do I know whose files I'm looking at?
You may have multiple Windows Explorer windows open, and the directories all
look the same. Which one contains the file you want? Look at the top blue bar
of the Windows Explorer window. It should say something like K:\nd.edu\user7\jsmith.
The portion of the path after the ...\userX\... is the NetID of the person whose
files you are looking at.
How to Create a group
Unfortunately, you cannot create a group using the same AFS ACLs window you
use to modify permissions. OIT has created a web-based program to manage groups.
With this tool, you can create a group, add or remove users from it, and manage
the ACLs for the group. See Manage
Groups.
Other Resources
| Page last modified on: 07/28/2004 |
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