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Last active January 21, 2019 03:03
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linux常用命令及技巧
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linux.md

Linux常用命令

删除文件前100行

sed -i "1,100d" filename

在文件最前面插入一列序号

awk '$0=NR"\t"$0' filename

输出文件指定列数后的内容，如第2列开始

awk -F "\t" '{for(i=2;i<=NF;i++) printf $i""FS;print ""}' file

文件去重复行
先排序后去重

sort filename|uniq

查看linux系统版本

lsb_release -a
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