Linux Basic exercise: User and group management related exercises

Related exercises for Linux user and Group management commands:

1, create a user Mandriva, whose ID number is 2002, the basic Group is distro (group ID 3003),

The attachment group is Linux:

#groupadd-G 3003 distro

#groupadd Linux

#useradd-u 2002-g 3003-g linux Mandriva

2, create a user fedora, whose full name is Fedora Community, the default shell is tcsh;

#useradd-C "Fedora Community"-s/bin/tcsh Fedora

3, the change Mandriva ID number is 4004, the basic group is Linux, the attachment group is distro and fedora;

#usermod-u 4004-g linux-g distro,fedora Mandriva

4, to the Fedora password, and set its minimum password period of 2 days, the maximum period of 50 days

#passwd-N 2-x Fedora

5. Change the default shell of Mandriva to/bin/bash;

#usermod-S/bin/bash mandriva

6, add the system user HBase, and do not allow login system;

#useradd-R-s/sbin/nologin hbase

This article is from the "Learn Linux history" blog, please be sure to keep this source http://woyaoxuelinux.blog.51cto.com/5663865/1861455

Linux Basic exercise: User and group management related exercises