单选题An administrator needs to add the /usr/vac/bin directory to their PATH environment variable for the current session. Which of the following will accomplish this task（）A path=$path：/usr/vac/bin； export pathB path.=/usr/vac/bin； export $pathC Modify the
题目
单选题
An administrator needs to add the /usr/vac/bin directory to their PATH environment variable for the current session. Which of the following will accomplish this task（）
A
path=$path：/usr/vac/bin； export path
B
path.=/usr/vac/bin； export $path
C
Modify the path environment variable in /etc/profile
D
Modify the path environment variable in /.profile
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参考答案和解析
正确答案：
A
解析：
暂无解析