Free source control tools, and the homegrown systems based on them, provide only rudimentary support for checking files in and out.

免费控制工具，以及在它们基础上自行开发的系统，只为检查文件的输入输出提供了初步的支持。

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The service is free, offers unlimited disk space, and requires no sign-up to use any of the site's features. The files you upload, however, can only be up to 100MB in size.

服务是免费的，空间无限制，不必注册，但单个文件不能超过100M。

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Select a drive with at least 700mb of free disk space to store temporary files (stash file only).

选择一个至少有700兆空闲磁盘空间的驱动器来保存临时文件(仅隐藏文件)。

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Travellers can also take advantage of the option to sync these encrypted files using the free online storage service Dropbox, so if you lose the only device that has 1Password installed on it, your private Dropbox account will have a back-up copy of your passwords.

BBC: Password protection on the road