Switching over to use the task is as easy as flipping from to and providing the same command-line parameters as attributes to the task tag, as shown in Listing 3-2.
切换到使用任务，只要简单地把改成，然后把命令行参数套用为同名的属性，如代码段3 - 2所示。
2
You could then use a command like the one in Listing 3 to create a policy to prohibit root from switching user identity to db2ins95.
然后可以使用清单3中的命令来创建一个策略，禁止根用户将用户身份切换到db2ins95。
3
If this alias is set, then TCSH executes the command that CMDCWD was aliased to after switching to a new folder.