넷오빠
commanduseraddgroupadduserdelgroupdelusermodFiles/etc/passwd/etc/group/etc/shadowExampleuseradd -g inner -s /bin/bash -c "redhat account test" -m -d /home/hwlilm hwlimThe chage Command chage -m 5 -M 90 -W 10 -E 3 -I 3 jjj
