java apple python test c++ c# now coder
sed '3d' file
awk 'NR=3' file
sed -n '3!p' file
head -n 2 file; tail -n +4 file
sed [-hnV][-e<script>][-f<script文件>][文本文件]
head [参数] [文件]
tail [参数] [文件]
这道题你会答吗?花几分钟告诉大家答案吧!
扫描二维码,关注牛客网
下载牛客APP,随时随地刷题