跟我自学第18天笔试题练习题-白红宇

跟我自学第18天笔试题练习题

阅读量：396 次

发布时间：2019-03-05

本文共 316 字，大约阅读时间需要 1 分钟。

1.利?sed 取出ifcon?g ens33命令中本机的IPv4地址

2.把/etc/httpd/conf/httpd.conf?件内的Linsten 80改为Listen 8081 使用sed 完成

3. 把pets?件中所有的dog修改为cat

sed -i ‘s/dog/cat/g’

4.删除pets?件中的第2?

5 .显?pets?件中，第1?到第3?之间的所有?

6 在pets?件的第2?的下??添加hello

7.打印/etc/passwd的奇数行？sed 1~2p /etc/passwd -n

8 把/oldboy目录以及子目录下所有以扩展名为.sh结尾的文件包含oldboy的字符串全部替换为oldgirl

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