Exercises for network operating systems after class (chapter 2)

1. What types of users are in Windows Server 2008? What are the default users of the system?

User Type:

(1) user;

(2) inetorgperson;

(3) contacts;

(4) Default User Account.

Default User:

(1) administrator;

(2) Guest.

2. How to manage local users and groups in Windows Server 2008?

Local user account management:

(1) create a local user account;

(2) Manage local user accounts:

1) reset the password;

2) delete a user account;

3) disabled by the user;

4) change the user group.

Local user group management:

(1) create a local user group;

(2) Add group members;

(3) Delete a user group.

3. What configuration files are related to users and groups in Linux?

(1) the/etc/passwd file is one of the key files for Linux system security. It is used to verify the user's password during logon. This file is only writable to the root user. After a new user is created, the user information is added to the/ECT/passwd file. The general format of each line in the file is: User name: Password: uid: GID: Comment line description: main directory: Login Shell

(2) Many Linux systems use shadow passwords files. The encrypted password is stored in another file/ECT/shadow, which can only be read by the root user.

(3) In addition, the system uses the/ECT/group file to record group information. Group addition, deletion, and modification are actually updates to/ECT/group files. It contains information about all user groups in the system. Each user group corresponds to a row in the file and is divided into four fields by a colon. The format of each line is: User Group Name: Encrypted group password: group ID: group member list

4. in Linux, how does one add a user account "Tom" and set its password, main directory, validity period, and group?

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Exercises for network operating systems after class (chapter 2)