Which command will change the user webserver’s shell toksh93？（） ["chshell -ksh93 webserver","chsh webserver \/usr\/bin\/ksh93","chuser -a shell=\/usr\/bin\/ksh93 webserver","setuid -a SHELL=\/usr\/bin\/ksh93 -u webserver"]
To examine the Exhibit, press the Exhibit button. Using the information provided in the exhibit, which of the following options indicates when the SSA error occurred?（） [" 12:28am on May 25,1999 "," 12:28pm on May 25,1999 "," 5:25am on December 28,1999 "," 5:25pm on December 28,1999"]
李某于某日中午在某邮局内，采用全球特快方式向外地的陈某邮寄海洛因6克，被邮局发现并举报，当日下午李某在其租住的宾馆房间内被公安人员抓获，公安人员又从李某身上及行李包中搜查出海洛因32克，李某称该毒品系从广州购得，但尚无证据证明该毒品是用于贩卖还是自己吸食。下列说法正确的是（） ["李某构成运输毒品罪","李某构成非法持有毒品罪","由于非法持有的毒品数量较少，李某尚不构成非法持有毒品罪","由于邮寄的毒品数量较少，李某尚不构成运输毒品罪"]
根据近100年来迁移研究的结果，下面说法更有科学依据的是（） ["如数学、计算机之类的学科能更有效地开发儿童的智力","汉字比其他文字更适合开发儿童的智力","单独设思维训练课是发展智力的捷径","通过广义知识教学可以全面发展认知能力"]
A software update was installed using the Apply option, however the update is no longer required. Which of the following procedures should be performed to remove the update?（） ["Use the Reject option","Delete the update form the \/usr\/lpp directories","Use the Force Overwrite option to re-install the earlier version","Commit the update and then remove the updated product filesets using SMIT"]
简述风力发电机组的安全保护系统.
