Linux grep example to explain the __linux

File Testgrep content:

1. Show all rows that contain sans

2. Show all names starting with J in the line

3. Show all rows ending with 700

4. Show all rows that do not include 834

5. Show all birthdays in December line

6. Show all such lines: it contains an uppercase letter followed by four lowercase letters, a colon, a space, and a
A capital letter

8. Show the line with the beginning of the surname K or K

9. Show the line with a salary of six digits and precede the line number

10. Displays rows that include Lincoln or Lincoln, and grep is insensitive to capitalization.

reprint Please specify: Xiao Liu