Find all users in the system that start with user0 and can log on and have no password, and generate a text file to save.

Create five users, user01 user02 user03 user04 user05, where the shell of user02 is/sbin/nologin, and there is no password, user03 has no password, and user05's shell is/sbin/nologin

Grep user0/etc/passwd | awk-f \: '{print $1, $7}'> boss1.txt

Grep user0/etc/shadow | awk-f \: '{print $2}'> boss2.txt

Paste boss1.txt boss2.txt> boss3.txt

Cat boss3.txt | grep-ve "\! | Nologin "> boss.txt

Find all users in the system that start with user0 and can log on and have no password, and generate a text file to save.