19.3. Unmounting a File System
root, the correct permissions must be available to unmount the file system (see Section 19.2.2, “Specifying the Mount Options”). See Example 19.9, “Unmounting a CD” for an example usage.
umountcommand will fail with an error. To determine which processes are accessing the file system, use the
fusercommand in the following form:
fuser -m /media/cdrom/media/cdrom: 1793 2013 2022 2435 10532c 10672c
Example 19.9. Unmounting a CD
/media/cdrom/directory, type the following at a shell prompt: