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→Linking Files
A '''Hard link''' is a reference to the physical data on a file system.
'''Advantages''' of hard links are that if one hard link remains (even if original file has been removed), the data in that hard linked file is NOT lost, a hard links will automatically change when a change to that original file or hard links occur since they share the same '''i-node number''' <br>and in the eyes of the Unix/Linux OS, they are treats them all as the same filesfile.
'''Disadvantages''' of hard links are that they take-up extra space,<br>you cannot hard link directory files, and you cannot hard link files from other Unix/Linux servers<br>(since the inode number may already be used by the other Unix/Linux server).
