Q Where is the best location for the current directory
indicator (.) to reside in root's PATH environment variable?
A. Before all other directories.
B. After all other directories.
C. Nowhere; it shouldn't be in root's path.
D. Wherever is convenient.
在這我直接一點
我根本搞不懂問題在問什麼！
所以我也選不出來！
請各位幫忙！
ps: 課本給的答案為 C
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