[RHCSA]

command

• useradd
• groupadd
• userdel
• groupdel
• usermod

Files

• /etc/passwd
• /etc/group
• /etc/shadow

Example

useradd -g inner -s /bin/bash -c "redhat account test" -m -d /home/hwlilm hwlim

The chage Command

 chage -m 5 -M 90 -W 10 -E 3 -I 3 jjj