If a Bug exists in Steam for Linux, all files of the user can be deleted.
According to reports, some Linux Steam users found that their Linux Steam client is silently deleting files from the root directory to the files in the deepest folder. The system files are intact due to the Linux security policy. The good news is that this error will not happen randomly and requires users to be familiar with Linux at least.
If you are using the default installation path (~ /. Local/share/Steam) to another directory or drive letter, and then create a Symlink (shortcut) pointing to the original installation location, it will trigger the Linux Steam automatic Integrity Detection, trigger the reset mechanism.
In this way, the Linux version of Steam will try to delete all files, basically deleting all files in a partition. Fortunately, due to the operating mechanism of Linux, it can only delete users, this means that the files in the OS and OS functions remain unchanged, and files connected to the external storage of this Linux computer will not be affected.