If set to true, then all Nautilus windows will be browser windows. This is how Nautilus used to behave before version 2.6, and some people prefer this behavior.
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src/nautilus-file-operations.c:760
Englishlocalizers: opening parentheses to match the "th copy)" string
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src/nautilus-file-operations.c:770
Englishlocalizers: opening parentheses of the "th copy)" string
If set to true, then Nautilus will have a feature allowing you to delete a file immediately and in-place, instead of moving it to the trash. This feature can be dangerous, so use caution.
Speed tradeoff for when to show a preview of text file contents in the file's icon. If set to "always" then always show previews, even if the folder is on a remote server. If set to "local-only" then only show previews for local file systems. If set to "never" then never bother to read preview data.
Speed tradeoff for when to show the number of items in a folder. If set to "always" then always show item counts, even if the folder is on a remote server. If set to "local-only" then only show counts for local file systems. If set to "never" then never bother to compute item counts.