So, permanent storage pages are basically just pieces of files cached in memory.
因此，永久存储分页就是缓存在内存中的部分文件。
You will still require some permanent storage for your data files.
您仍需要一些数据文件的永久存储。
Tip: to add automatically all new files and mark any files that have been removed for permanent removal, you can use Mercurial's handy hg addremove command.
提示：要想自动地添加所有新文件并且把已经删除的所有文件标为永久删除，可以使用Mercurial的hg addremove命令。
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