Linux-Basics-Complete-Course-With-Notes-Slides

USER MANAGEMENT

#### User Add

To create a new local user bob in the system use useradd command.
```
[~]$ useradd bob
```
To get more details about bob account like, home director, uid, and shell use /etc/passwd
```
[~]$ grep -i bob /etc/passwd
bob:x:1002:1002::/home/bob:/bin/sh
```
To check the uid or username of the user logged in user whoami command.
```
[~]$ whoami
bob
```

All user’s password are store under /etc/shadow

[~]$ grep -i bob /etc/shadow
bob:!:18341:0:99999:7:::

To change the password of current user use passwd or for any specific user use passwd <username>

[~]$ passwd bob
Changing password for user bob.
New UNIX password:
Retype new UNIX password:
passwd: all authentication tokens updated
successfully.

# Managing Users

useradd command be used along with many attributes as show below.

[~]$ useradd -u 1009 -g 1009 -d /home/robert -s /bin/bash -c ”Mercury Project member" bob

manage

To delete a user use userdel command
```
[~]$ userdel bob
```
To add a group use groupadd command
```
[~]$ groupadd –g 1011 developer
```
To delete a group user groupdel command
```
[~]$ groupdel developer
```