Page 123 - slides.dvi
P. 123

•
                                                         •
                   •
            •
                                      •
                          •
   Unix
                                             At
   Case
            What
                                                         Entire
                                             very
                   Cannot
   Study—
                          Provides
                                                                                                               Mounting
                                 options)
                          a
                                                    filesystem.
   Files
            about
                   have
                                      Subsequently
                                             start,
   and
   the
            soft
                                      can
                   hard
                          unified
                                                         file-systems
                                             only
                                                         can
   Filesystem
                                             ‘/’
                   links
            links?
                                                                                             bin/
                                                                                 hda1
                                      mount
                                                         be
                                                                                                               File-Systems
                                                                                             dev/
                                                                                 hda2
                                             exists
                   across
                                      other
                          name-space:
                                                                                                          Root File-System
                                             ⇒
                                                                                 hdb1
                                                                                                        /
                                                                                             etc/
                                                         mounted
                          e.g.
                   mount
                                             need
                                                         on
                                                                                             usr/
                                             to
                                                         an
                          access
                                      file-systems,
                   points:
                                                                                             home/
                                      e.g.
                                             mount
                                             a
                                                         existing
                   why?
                                                                          steve/
                                             root
                                                                                  /
                          /home/steve/
                                                         directory
                                                                                                         Mount
                                                                                                      Point
                                                                          jean/
                                                         in
                                                                                            File-System
                                                                                          on /dev/hda2
                                                         an
                                             file-system.
                          directly.
                                      mount("/dev/hda2",
                                                         already




   119
                                      "/home",
                                                         mounted
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