Section: User Commands (1)
:gtk-update-icon-cache [--force] [--ignore-theme-index] [--index-only | --include-image-data] [--source NAME] [--quiet] [--validate] PATH
It expects to be given the PATH to a icon theme directory containing an index.theme, e.g. /usr/share/icons/hicolor, and writes a icon-theme.cache containing cached information about the icons in the directory tree below the given directory.
GTK+ can use the cache files created by gtk-update-icon-cache to avoid a lot of system call and disk seek overhead when the application starts. Since the format of the cache files allows them to be mmaped shared between multiple applications, the overall memory consumption is reduced as well.
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