单项选择题

Operator needs to remove all leading comments # from shell.script file. Which of the following vi sub-command can achieve this?（）

A. :r/^#//g
B. :1,$ s/^#//g
C. :sed s/^#//g
D. :sub s/^#//g

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单项选择题

An operator needs to run a script which will write standard output and standard error to different files. Which of the following commands will successfully perform this task?（）

A. myscript.ksh 1>/tmp/log/script.log 2>/tmp/log/script.err
B. myscript.ksh $1>/tmp/log/script.log $2>/tmp/log/script.err
C. myscript.ksh 1>/tmp/log/script.log 2>1 /tmp/log/script/err
D. myscript.ksh 2>1 /tmp/log/script.log 2> /tmp/log/script.err

单项选择题

Which of the following will permit an operator to retrieve console log output from the command line?（）

A. lscons -l
B. cat /var/conslog
C. alog -t console -o
D. lslog /var/adm/conslog

单项选择题

Which of the following will cancel only job 123 from printer lp01?（）

A. lpstat -d 123 lp01
B. enq -d 123 -p lp01
C. qcan -x 123 -P lp01
D. lpcan -j 123 -p lp01