以下哪条命令可以改变文件file的所有者为Sam()?A.chmod Sam fileB.chown Sam fileC.chgrp Sam fileD.umask Sam file
以下哪条命令可以改变文件file的所有者为Sam()?
A.chmod Sam file
B.chown Sam file
C.chgrp Sam file
D.umask Sam file
相关考题：
如果sam.exe文件存储在一个名为ok.edu.cn的卸服务器上，那么下载该文件使用的URL为______。A．http://ok.edu.cn/sam.exeB．ftp://ok.edu.cn/sam.exeC．rtsp://ok.edu.cn/sam.exeD．mns://ok.edu.cn/sam.exe
下述程序的输出结果是______。includemain(){enum team{Jack,Andy,Sam=10,Bob=Sam＋2,To 下述程序的输出结果是______。 #include＜stdio.h＞ main() { enum team{Jack,Andy,Sam=10,Bob=Sam+2,Tom}; printf("%d,%d",Andy,Tom); }A．2，13B．1，0C．1，13D．1，12
系统帐户信息保存在注册表中的位置是()。 A.HCU\SAM\SAM\Domains\Account\Users\NamesB.HCR\SAM\SAM\Domains\Account\Users\NamesC.HLM\SAM\SAM\Domains\Account\Users\NamesD.HCR\SAM\Domains\Account\Users\Names
中央分隔带的波形梁护栏和混凝土护栏的防护等级为（ ）。 A.Bm、Am、SBm、SAm、SSm 五级B.Cm、Bm、Am、SBm、SAm、SSm 六级C.Bm、Am、SBm、SAm、SSm、HBm 六级D.Bm、Am、SBm、SAm、SSm、HBm、HAm 七级
CUncle Sam is a tall，thin man.He‘s an older man with white hair and a white beard.He often wears a tall hat，a bow tie，and the stars and stripes of the American flag.Who is this strange，looking man Would you believe that Uncle Sam is the US government But why do you call the US government Uncle Sam During the War of 1812，the US government hired meat packers to provide meat to the army.One of these meat packers was a man named Samuel Wilson.Samuel was a friendly and fair man.Everyone liked him and called him Uncle Sam.Sam Wilson stamped the boxes of meat for the army with a large US for United States.Some government inspectors came to look over Sam‘s company.They asked a worker what the US on the boxes stood for.As a joke，the worker answered that these letters stood for the name of his boss，Uncle Sam.The joke spread，and soldiers began saying that their food came from Uncle Sam.Before long，people called all things that came from the government“Uncle Sam‘s”，“Uncle Sam”became a nickname for the US government.Soon there were drawings and cartoons of Uncle Sam in newspapers.In these early pictures，Uncle Sam was a young man.He wore stars and stripes，but his hair was dark and he had not a beard.The beard was added when Abraham Lincoln was President.President Lincoln had a beard.The most famous picture of Uncle Sam is on a poster from World War I.The government needed men to fight in the war.In the poster，a very serious Uncle Sam points his finger and says“I want YOU for the US Army.”“Uncle Sam”became a________for the US government.A.bossB.nicknameC.pictureD.businessmen
在一个新建网络，SAM发现eNB需要以下步骤（）A、Create SNMPv3 userB、Create Mediation policy for eNBC、Create Discovery Rule using the mediation policyD、unmanage eNB in SAM
系统帐户信息保存在注册表中的位置是（）。A、HCU/SAM/SAM/Domains/Account/Users/NamesB、HCR/SAM/SAM/Domains/Account/Users/NamesC、HLM/SAM/SAM/Domains/Account/Users/NamesD、HCR/SAM/Domains/Account/Users/Names
问答题Four years ago, Jane was twice as old as Sam. Four years on from now, Sam will be 3/4 of Jane's age. How old is Jane now?
单选题你有一个共享文件夹，你将它的NTFS权限设置为sam用户可以修改，共享权限设置为sam用户可以读取，当sam从网络访问这个共享文件夹的时候，他有什么样的权限？（）A读取B写入C修改D完全控制
单选题在下列推理中，正确的是（）。AMEP，MES，∴SAPBMAP，MAS，∴SAPCMEP，SAM，∴SEPDPSM，SAM，∴SAP