bash还非常适合于安全性要求高的环境，它具有受限制的启动模式，可以把shell中的用户限制为只能执行一组确定的命令。
Bash is also ideal for secure environments, having a restricted start mode that can confine a user's ability within the shell to a brief, determinable list of commands.
这种方法往往比通过“受限制的演示”模式试用软件更好，因为演示模式要求用户在桌面计算机上安装他们可能不会购买的应用程序。
This tends to be a preferred method of trying out software in "restricted demo" mode compared to having to install an application on your desktop that you may not end up buying.
1c充分利用DB 2 Express - C的所有不受限制的功能，DB 2中甚至有一个以“1c模式”运行DB 2引擎的设置(由1 C安装程序自动设置)。
1c leverages all the power of DB2 Express-C, and there's even a setting in DB2 (automatically set by the 1c installation program) that runs the DB2 engine in "1c-mode".
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