单项选择题
A.#!/bin/ksh line is missing
B.Variable name VAR is not properly initialized
C.Loop variable is not incremented inside the loop
D.Replace brackets with braces
单项选择题 Whichofthefollowingcommandswillncreasethecontiguousfreespaceofafilesystemwithouthavingtoaddadditionalpartitions（）
单项选择题 Given the following scripts， what output would be generated（） usr/local/bin/scriptl #!/usr/bin/ksh VARl=red export VARl=green VARl=blue /usr/local/bin/script2 ARl=yellow /usr/local/bin/script2 #!/bin/ksh echo "The sky is ${VAR1}."
单项选择题 A user is complaining that they ran out of paging space. Which of the following will address this and provide best performance（）