How to add bulk user in linux

Step-1:  Create a list for user.

[root@server ~]# vim userlist

test

tset1

test2

Step-2: write useradd command in a file name as useradd

[root@server ~]# vim useradd

useradd

useradd

useradd

[root@server ~]# paste useradd userlist > hi

[root@server ~]# cat hi

useradd test

useradd tset1

useradd test2

[root@server ~]# sh hi

[root@server ~]# cat /etc/passwd

Now, Create password for bulk user:
Make password file

[root@server ~]# cp  userlist  pass

[root@server ~]# paste -d":" userlist pass > hi2

[root@server ~]# cat hi2

test:test

tset1:test1

test2:test2

[root@server ~]# chpasswd < hi2

How to delete bulk user in linux:

[root@server ~]# vim del

userdel -rf

userdel -rf

userdel –rf

[root@server ~]# cat userlist

test

tset1

test2

[root@server ~]# paste del userlist >hi3

[root@server ~]# cat hi3

userdel -rf     test

userdel -rf     tset1

userdel -rf     test2

[root@server ~]# sh hi3

[root@server ~]# cat /etc/passwd

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About Penguin Technology

I am a passionate cloud and DevOps professional specializing in Linux and open-source solutions. Through this blog, I share my knowledge and experience with the community, offering tips and insights on cloud technologies and DevOps practices.