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43 lines
1.3 KiB
43 lines
1.3 KiB
= Frequently Asked Questions !
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Apostolos rootApostolos@swarmlab.io
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// Metadata:
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:description: Intro and Install
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:keywords: Linux
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:data-uri:
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:toc: right
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:toc-title: Πίνακας περιεχομένων
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:toclevels: 4
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:source-highlighter: highlight
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:icons: font
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:sectnums:
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{empty} +
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[NOTE]
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****
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Frequently Asked Questions
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****
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== What is the difference between a symbolic link and a hard link?
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- A file in the file system is basically a link to an inode.
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- A hard link, then, just creates another file with a link to the same underlying inode.
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A symbolic or soft link is an actual link to the original file, whereas a hard link is a mirror copy of the original file.
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If you delete the original file, the soft link has no value, because it points to a non-existent file.
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But in the case of hard link, it is entirely opposite. Even if you delete the original file, the hard link will still has the data of the original file.
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Because hard link acts as a mirror copy of the original file.
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NOTE: When you delete a file, it removes one link to the underlying inode. The inode is only deleted (or deletable/over-writable) when all links to the inode have been deleted.
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CAUTION: Hard links are only valid within the same File System. Symbolic links can span file systems as they are simply the name of another file.
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