linux user and group command and files

List of Linux Commands related to groups:

- useradd 

- userdel 

- groupadd 

- groupdel 

- groupmod 

- gpasswd 

- chgrp 

- newgrp 

- groups 

- id 

List of Files associated with groups:

- /etc/group 

- /etc/gshadow 

- /etc/gshadow- 

- /etc/group- 

- /etc/passwd 

- /etc/shadow 

- /etc/security/group.conf 

- /etc/security/group.d/

-------------------------------------

Linux commands associated with users:  

-adduser: Add a new user  

-useradd: Create a new user or update default new user information  

-usermod: Modify a user account  

-userdel: Delete a user account  

-userdefaults: Set user defaults  

-passwd: Change user password

-chage: Change user password aging and expiry  

-chfn: Change user information for finger  

-chsh: Change user login shell  

Linux files associated with users:  

-/etc/passwd: User account information  

-/etc/shadow: Encrypted user password  

-/etc/group: Group information  

-/etc/gshadow: Group password information  

-/etc/login.defs: User and group defaults  

-/etc/default/useradd: Useradd defaults  

-/etc/skel: Default user setup files for new user accounts  

-/home/: Home directory for users  

-/etc/security/: User and group security informationr