How to update a Linux symlink: 
UNIX and Linux users find many uses for links, particularly symbolic links. One way that I like to use symbolic links is to manage configuration backups of various IT equipment.
I have a directory structure to hold everything related to documentation, updates, and other files for the computers and devices on my network. Devices can include routers, access points, NAS servers, and laptops, often of different brands and versions. The configuration backups themselves might be deep within the directory tree, e.g. /home/alan/Documents/network/device/NetgearRL5000/config.
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