grep command in Linux is used to search a specific pattern. Grep command will help you to explore the string in a file or multiple files.
The syntax for grep command:
- grep ‘word’ filename
- grep ‘word’ file1 file2 file3
- command|grep‘string’
- For example,
- grep “smith” passwd
- grep “smith” passwd shadow
- netstat -an | grep8083
- cat /etc/passwd | grep smith