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1.²éÃ÷µÇ½¶Ë¿Ú；

# who

root pts/1 Apr 8 00:06 (172.29.0.29)

root pts/2 Apr 8 04:15 (172.29.0.21)

2.֪ͨ¸ÃÓû§½«Òª¹Ø±ÕËû：

# echo "I will close your connection" > /dev/pts/2

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3.¹Ø±ÕÓû§Á¬½Ó

# fuser -k /dev/pts/2