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 www.madebygps.com
An intro to links in Linux
| | shapeshed.com
Linux and Unix ln command tutorial with examples | George Ornbo
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| | Tutorial on using ln, a UNIX and Linux command to make links between files. Examples of creating a hard link, creating a symbolic link, and a broken symbolic link.
| | www.aleksandrhovhannisyan.com
Hard Links and Soft Links | Aleksandr Hovhannisyan
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| | Linking is how UNIX file systems keep track of files. There are two distinct types of links: soft (symbolic) links and hard links. One sticks around for good, while the other one rots.
| | initialcommit.com
File systems made easy
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| | A File System is anything that can store files.
| | pgdba.org
Time and relative dimension in space - PostgreSQL DBA
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| [AI summary] This technical article explains the Multi-Version Concurrency Control (MVCC) and transaction isolation levels in PostgreSQL, including how XIDs work and common concurrency issues.