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xingli

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cat命令简单教程

cat filename | tail -n 100 显示文件最后100行

cat filename | head -n 100 显示文件前面100行

cat filename | tail -n +100 从100行开始显示,显示100行以后的所有行

显示100行到500行

cat filename | head -n 500 | tail -n +100
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