1> 每天一个linux命令(39):grep 命令
https://www.cnblogs.com/peida/archive/2012/12/17/2821195.html
2> 了解如下名词
TCP/IP/PPP, CS/VoLTE, IMS,SIM
1> 每天一个linux命令(39):grep 命令
https://www.cnblogs.com/peida/archive/2012/12/17/2821195.html
2> 了解如下名词
TCP/IP/PPP, CS/VoLTE, IMS,SIM