Linux Learning Note 4 creating users

General usage #useradd MySQL

Meaning to create a MySQL user

Special usage 1> #useradd-D/usr/cjh-m cjh

Meaning: Creating a cjh user produces a home directory/usr/cjh

/usr is the default User home directory group in the parent directory

Special Usage 2>

User name Gem

The user login shell is/bin/sh

Group groups are the primary group

Also subordinate to the ADM and root user groups

#useradd-S/bin/sh-g group-g Adm,root,gem

#passwd Oracle Provisioning User

#useradd-D to see how the command is used

Linux Learning Note 4 creating users