单选题Which environment variable must be changed in a user’s profile so that upon login， the command prompt identifies the server？（）APMTBPS1CPRTDPT1
单选题
Which environment variable must be changed in a user’s profile so that upon login， the command prompt identifies the server？（）
A
PMT
B
PS1
C
PRT
D
PT1
参考解析
解析：
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