这节练习中,你将学会如何使用 rm 命令删除一个文件。做到这些Linux$ cd temp$ lsuncool.txt iamcool.txt neat.txt something thefourthfile.txt$ rm uncool.txt$ lsiamcool.txt neat.txt something thefourthfile.txt$ rm iamcool.txt neat.txt thefourthfile.txt$ lssomething$ cp -r something newplace$$ rm something/awesome.