# 인터넷 기본 서비스
1. Telnet(Telecommunication Network)
- 인터넷에 연결되어 있는 컴퓨터를 먼 거리에서 원격으로 접속하여 제어하거나 조작할 수 있는 서비스로, 포트번호는 23 이다.
- 유닉스를 운영체제로 하는 시스템에 접속시 open이란 명령어를 사용, 넷텀(NetTerm)과 같은 프로그램
recalled 14,000,000 cell phone charger that supply from BYD(Chinese company)
The cause is manufacturing in
China where labor costs are
low for cost reductions
Case study : Nestle
- In October 2008, Taiwan sanitary authorities announced small amount of melamine was detected in the Nestle powdered milk produced in China and all those products would be removed.
detected. And the Nike and Addidas record the lost more than 30% of selling because they exploit the labor of juvenile. We can find out the fact that corporations which do not fulfill the environmental and social responsibility, the survival of corporations are threatened by those cases.
Second, we can create the various opportunities through the sustainability. The global leading corporation