$ iwconfig wlan0 | grep -i --color quality //查询网络连接质量着红色 Link Quality=47/70 Signal level=-63 dBm $ iwconfig wlan0 | grep -i --color signal //查询信号强度着红色 Link Quality=44/70 Signal level=-66 dBm 123456 $ iwconfig wlan0 | grep -i --color quality //查询网络连接质量着红色Link Quality=47/70 Signal level=-63 dBm $ iwconfig wlan0 | grep -i --color signal //查询信号强度着红色 Link Quality=44/70 Signal level=-66 dBm 分类: linux