摘要: head -1 vs head -n 1 两者等价 lscpu|grep CPU\(s\)|head -1 等价于: lscpu|grep CPU\(s\)|head -n 1 都显示如下: CPU(s): 8 其中,lscpu|grep CPU(s)输入如下: CPU(s): 8 On-line 阅读全文
posted @ 2021-06-29 11:04 无左无右 阅读(277) 评论(0) 推荐(0) 编辑