Page 127 - slides.dvi
P. 127

•
                                  •
                                                                              •
                                                                      •
                                                •
                                                                                                    •
                                                               •
                                                                                     •
                                                        •
                                                                                            •
   Unix
   Case
                                                                                                               Unix
                                                               Disk
                                                                                                    Files
                                  Care
                                                                              Unified
   Study—
                                                                                                    are
                                                                      Low-level
                                                                                     Hierarchy
                                                        Processes
                                                                                            Everything
   Files
                                                Permissions
                                  needed
                                                                                            is
                                                        see
                                         Setuid/setgid
                                                               contains
   and
                                                                                     built
                                                                                            a
                                  to
                                                for
   the
                                                               list
                                                        file
                                                                                            file:
                                         allow
                                                                              name-space
                                                               of
                                                                                     from
                                                                                                               File-System:
                                                                                                    unstructured
                                  ensure
   Filesystem
                                                owner,
                                         for
                                                                                     root
                                                                      implementation
                                                                                                    byte
                                                               inodes
                                         more
                                                                                            ‘normal’
                                                group
                                                                              (multiple
                                                        descriptors:
                                                                                     (‘/’).
                                                                      based
                                                and
                                                                                            files,
                                                                                                               Summary
                                                               (along
                                  consistency.
                                                        small
                                                                                                    streams.
                                         flexible
                                                                      around
                                                               with,
                                                                              file-systems
                                                               of
                                                everyone
                                                        integers
                                         control.
                                                                                            directories,
                                                                              may
                                                                      inodes.
                                                else.
                                                                              be
                                                               course,
                                                        which
                                                                                            symbolic
                                                        map
                                                               actual
                                                        to
                                                                              mounted
                                                                                            links,
                                                                              on
                                                               data
                                                        system
                                                                              any
                                                                                            special
                                                        file
                                                                              leaf
                                                               blocks).
                                                                                            files.
                                                        table.
                                                                              directory).
   123
   122   123   124   125   126   127   128   129   130   131   132