Unison is a tool to synchronize files and directories between different systems or within the same system. It can also be done between different platforms, for instance between a Linux computer and another computer with a different operating system, since it is a multi-platform program which is available for the best known operating systems.
Since a couple of years ago, Linux distributions use a swap file (to exchange with Ram memory when it is exhausted or to hibernate the system) instead of a swap partition. If, like I do, instead of clean installing version upgrading is used, it is possible that the system still uses the swap partition.
Conky is a program that shows information at the computer desktop, like weather or system information. With version 1.11.6, which is the version that comes with Ubuntu 20.10, the configuration script has changed its format to lua. This makes all conky with the old configuration unusable.
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