坏蛋的博客
非淡泊无以明志 非宁静无以致远
帮助命令 man 接命令或配置文件名 获得的帮助信息 例如: man ls 查看命令ls的帮助信息 help获得shell内置命令的帮助信息 例如: help umask
Your email address will not be published. Required fields are marked *
Comment *
Name *
Email *
Website
Save my name, email, and website in this browser for the next time I comment.
Click the image to refresh Captcha *