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。
An administrator has set up serverA and serverB to use the /etc/hosts.equiv file so that applications on serverA can remotely run commands on serverB. Which command will verify if a new user from serverA is trusted on serverB?() As the root user from serverA run the command rhost serverB。 As the root user from serverA run the command rlogin serverB。 As the desired user from serverB run the command rhost serverA。 As the desired user from serverA run the command rlogin serverB。
Which of the following commands should be used to show DNS information?() trace。 netstat。 ifconfig。 nslooku。
以下关于替代率的说法,正确的是()。 美国、加拿大的社保计划中,低收入者的替代率低于高收入者的替代率。 替代率是指退休前一年(或数年平均)薪水和退休后收入之比。 替代率与退休后的生活水平无关。 替代率高说明退休后收入较低。
下列哪些情形应当以故意伤害罪定罪处罚?()