Which of the following files defines Linux groups?

The /etc/group is a text file which defines the groups to which users belong under Linux and UNIX operating system. Under Unix / Linux multiple users can be categorized into groups. Unix file system permissions are organized into three classes, user, group, and others.

What types of information does the ID command provide?

id command in Linux is used to find out user and group names and numeric ID’s (UID or group ID) of the current user or any other user in the server.

What information is stored in etc passwd choose all that apply?

UNIX uses the /etc/passwd file to keep track of every user on the system. The /etc/passwd file contains the username, real name, identification information, and basic account information for each user. Each line in the file contains a database record; the record fields are separated by a colon (:).

Which method or commands provide access to superuser privileges for authorized users?

The su commandThe switch_user commandLogging into the root accountThe sudo commandThe hash (#) symbolThe su command, the sudo command, and logging into the root account all provide access to superuser privileges for authorized users.

What keystroke deletes a line of text when using nano?

Delete lines: To delete a line, move to beginning of line, then press Ctrl-k (hold down the CTRL key, and press the K key). The “K” is for “Kut”.

What type of information can netstat provide?

The netstat command generates displays that show network status and protocol statistics. You can display the status of TCP and UDP endpoints in table format, routing table information, and interface information. The most frequently used options for determining network status are: s , r , and i .

How do I list groups in Linux?

List All Groups. To view all groups present on the system simply open the /etc/group file. Each line in this file represents information for one group. Another option is to use the getent command which displays entries from databases configured in /etc/nsswitch.

What does etc passwd contains?

The /etc/passwd file is a colon-separated file that contains the following information: User name. Encrypted password. User ID number (UID)

Where is etc passwd in Linux?

The /etc/passwd file is stored in /etc directory. To view it, we can use any regular file viewer command such as cat, less, more, etc. Each line in /etc/passwd file represents an individual user account and contains following seven fields separated by colons (:).

What is sudo su?

The su command switches to the super user – or root user – when you execute it with no additional options. Sudo runs a single command with root privileges. … When you execute sudo command, the system prompts you for your current user account’s password before running command as the root user.

What is the sudo group?

What is a Sudo group? – Quora. , Use GNU/Linux as my main operating system. A group of superusers that can access the root account and be receive unlimited privileges. To have unlimited privileges, they have to access the root account and type the root password when needed.

What is superuser access?

Superuser accounts are highly privileged accounts primarily used for administration by specialized IT employees. These users/accounts may have virtually unlimited privileges, or ownership, over a system. Superuser account privileges may allow: full read/write/ execute privileges. creating or installing files or …

Like this post? Please share to your friends:
OS Today