System 10 - Unix I/O- 02 - Redirections and dup2()

 

1. File Redirections 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

2. install customized FD (implementation of ">,<") -- dup2() 

 

 

 

 

 

 

 

 

posted @ 2020-11-06 12:19  Jasper2003  阅读(63)  评论(0)  编辑  收藏  举报