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單項選擇題

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

單項選擇題

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