单项选择题 A graphics card has been added and the system rebooted. When running the lsdev-Cc adapter, the graphics card is not listed in the output. Which of the following actions should be performed?（）

单项选择题 A parallel printer has just been connected. There are not selections in the SMIT menu to configure the printer. Which of the following procedures should be performed to complete the configuration?（）

单项选择题 CDE is working. However, the customized PATH environment has not been implemented. Which of the following procedures should be performed to activate the implementation?（）