Figure 1: Linking a file keeps the same inode reference for every link

# ls -l
-rw-rw-rw-    1  student   class   104448 Jan  3  1993  karen.db
-rw-rw-rw-    1  student   class       98 Mar  9  1993  kristin
-rw-rw-rw-    1  student   class     7564 May  5  1994  table
#

# ls -i
2858  karen.db
2865  kristin
1944  testfile
#

# ln karen.db kristin.db
#

# ls -li
2858 -rw-rw-rw-    2  student   class   104448 Jan  3  1993  karen.db
2865 -rw-rw-rw-    1  student   class       98 Mar  9  1993  kristin
2858 -rw-rw-rw-    2  student   class   104448 Jan  3  1993  kristin.db
1944 -rw-rw-rw-    1  student   class     7564 May  5  1994  table
#

# ln kristin.db testfile
#

# ls -li
2858 -rw-rw-rw-    3  student   class   104448 Jan  3  1993  karen.db
2865 -rw-rw-rw-    1  student   class       98 Mar  9  1993  kristin
2858 -rw-rw-rw-    3  student   class   104448 Jan  3  1993  kristin.db
1944 -rw-rw-rw-    1  student   class     7564 May  5  1994  table
2858 -rw-rw-rw-    3  student   class   104448 Jan  3  1993  testfile
#