c语言实现linux的命令执行，<>重定向，管道命令-c implements linux shell command like : excution,redirection,pipe

自己编写的shell 解释器，包括myshell.c parse.lex he makefile三个文件可以实现列表，管道，重定向，内外部命令-I have written a shell interpreter, including three myshell.c parse.lex he makefile file list can be achieved, pipes, redirection, internal and exte

编译简单的shell命令解释器（shell内外部命令，管道，列表，重定向等）-Compile simple shell command interpreter (shell within external command, pipeline, lists, redirects, etc.)