Linux basic Commands-group account management

One, group account file

The group account file consists of two parts:/etc/group,/etc/gshadow, which holds the group account name, GID number, group members and other information, the latter is used to save the group account of the encrypted string, etc. (but rarely used).

Second, add, delete, modify group account

1. Groupadd command--Add group account

Command format: Groupadd "Options" group account

• -G: Specify GID number

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2. GPASSWD command--Add, set, delete group members

Command format: gpasswd "Options" Member name Group name

• -A: Adding members

• -D: Remove members

• -M: Specify all member users of the group account at the same time

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3,groupdel Command--delete group account

Command format: Groupdel Group name

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Linux basic Commands-group account management