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The local host on a small network is named Earth. There is also a remote host on the network named Saturn. The system administrator of the network is in the /u/tmp directory of Earth, and starts an ftp to Saturn as root. Which of the following sequence of commands issued from the local host, Earth, will:()。 1.Check to see if there is an a.out file on remote host Saturn. 2.Change to the /u/new directory on Earth. 3.Transfer a.out from Earth to Saturn. ls a.out cd /u/new put a.out。 ls a.out cd /u/new get a.out。 ls a.out lcd /u/new put a.out。 ls a.out lcd /u/new get a.out。
资产评估的(),是指资产评估的行为服务于资产业务的需要,而不是服务于资产业务当事人的任何一方的需要。 公正性。 市场性。 咨询性。 专业性。
A System p administrator needs to run the annualreval.sh script, directing standard error to /var/log/reval.err, and appending standard out to /var/log/reval.log. How can this be accomplished () annualreval.sh 2>&1 /var/log/reval.log 2> /var/log/reval.err。 annualreval.sh 1>/var/log/reval.log 2>/var/log/reval.err。 annualreval.sh 2>>&1 /var/log/reval.log /var/log/reval.err。 annualreval.sh 1>>/var/log/reval.log 2>/var/log/reval.err。
液化石油气中,可能溶有微量的水,为了防止结冰,可以对液化石油气进行干燥,也可以()。 提高贮存温度;。 提高罐容积;。 加入0.1%(容积)的甲醇;。 降低贮存压力。
《中国大百科全书》对教育的界定作了广义和狭义之分,狭义的教育是指()