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查找linux系统上指定文件中字符串的所在行及其上下几行的内容

2025-03-25 02:38:38

推荐回答（2个）

回答（1）：

cat
/etc/passwd
|
grep
-A5
root
文件passwd中查找包含root的后5行
B是前n行，忘了是大写还是小写的
A
for
after
B
for
before

回答（2）：

用grep命令的-A
-B参数就可以得到相应的结果！

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