How to add/remove users, change password, create, edit groups and create sudo user on Debian linux?

Liiska kuqor Dhammaan dadka isticmaala degaanka

cat /etc/passwd

Waxa kale oo aad isticmaali kartaa amarka soo socda si aad u daabacdo kaliya qayb username ee kor ku xusan ee /etc/passwd wax soo saarka.

cut -d: -f1 /etc/passwd

Beegyada uu kor ku xusan: -d: isticmaali colon sida delimeter ah, -F1 heli duurka ugu horeysay.

Waa in aad xidid for soo socda

su
Ku dar user cusub

adduser username

Ka saar user

userdel username

tusaha User u baahan tahay in si gooni gooni ah la tirtiro haddii loo baahdo

rm -r /home/username

edit username

usermod -l {new username} {old username}
Badalida Lambarka sirta ah

passwd username
Create group

groupadd groupname

Add user to group
usermod -a -G groupname username

List all groups current user belongs to

groups

List all groups specific user belong to

groups username

List all groups

cut -d: -f1 /etc/group
Create sudo user

usermod -aG sudo username

Test sudo user

sudo ls -la /root

The above only works for root/sudo user

You will require to input the user password for the 1st time

If sudo command does not work you will need to install sudo package

apt install sudo