RedHat运维-Linux文本操作基础-echo与sort

1. 给如下文件nowcoder.txt，按照第二个字段排序：

ESTABLISHED 22

TIME_WAIT 9

LISTEN 3

2. 给如下文件nowcoder.txt，按照第二个字段的首字母排序：

ESTABLISHED APPLE

TIME_WAIT BANANA

LISTEN PEAR

3. 给如下文件nowcoder.txt，等号分割，按照第二个字段排序：

ESTABLISHED=22

TIME_WAIT=9

LISTEN=3

4. 给如下文件nowcoder.txt，等号分割，按照第二个字段的首字母排序：

ESTABLISHED=APPLE

TIME_WAIT=BANANA

LISTEN=PEAR

1. sort -k2 -rn

2. sort -k2 -r

3. sort -t "=" -k2 -rn

4. sort -t "=" -k2 -r

5. 使用一个echo命令，输出如下行：

Hello World!

Do you love me?

Yes, I love you!

2. 使用一个echo命令，输出如下行：

This is a beautiful world.

I like it very much!

Don't you think so?

3. 使用一个echo命令，输出如下行：

Hello World!

Don't you think so?

Yes, I love you!

1. echo -e "Hello World!\nDo you love me?\nYes, I love you!"

2. echo -e "This is a beautiful world.\nI like it very much!\nDon't you think so?"

3. echo -e "Hello World!\nDon't you think so?\nYes, I love you!"