我可以在该目录中添加和删除文件，因为已经设置了它的用户写位。
I can add and remove files from the directory, because its user-write bit is set.
写权限包括修改和删除对象的能力。
Write permission includes the ability to alter or delete an object.
您可以禁用写权限位，例如要防止删除文件。
You might disable your write bit, for example, to prevent the file from being deleted.
删除备份文件，标记写操作成功完成，返回。
Writing was successful, delete the backup file if there is one.
如果记忆可以删除就好了英语怎么写?。
如果记忆可以删除就好了英语怎么写?。
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