Apple Macintosh PowerBook 145 - Manual (Page 220)

2. In the section labeled File Sharing, click the Stop
button.
A dialog box appears in which you can specify a delay before
file sharing is turned off. If you specify a delay, users who are
connected to your computer are warned to save their work
and disconnect.
3. Type the number of minutes you want to elapse before
file sharing is turned off.
To turn file sharing off immediately, type the number 0.
4. Click OK.
If someone is using files on your Macintosh when file sharing is
turned off, any changes he or she has not saved will be lost.
Monitoring file-sharing activity
When file sharing is on, you can see who is connected to your
computer and what folders or disks you’ve shared.
m Choose Control Panels from the Apple (K) menu and
open the File Sharing Monitor icon.
204 Chapter 12: Using Your Computer on a Network