Which command will display the users that are currently logged in to the system?
Which command will display the users that are currently logged in to the system?The who command is used to display the users logged into the system. The who command related to the w command that is used to display information about the users currently on the machine and their processes.
Which of the following files contains encrypted user password information?Traditionally, the /etc/passwd file is used to keep track of every registered user that has access to a system. The /etc/passwd file is a colon-separated file that contains the following information: User name. Encrypted password.
What directory contains a user’s home directory?The /home directory is a place where by default all user home directories are created.
Which command would allow a user to execute commands as root?The sudo command allows regular users to…
execute any command as root, after providing the root password.
Which command will display the users that are currently logged in to the system? – Additional Questions
Why is sudo command used?
The sudo command allows you to run programs with the security privileges of another user (by default, as the superuser). It prompts you for your personal password and confirms your request to execute a command by checking a file, called sudoers , which the system administrator configures.
How do I login as root in Linux?
Switching to the root user on my Linux server
Enable root/admin access for your server.
Connect via SSH to your server and run this command: sudo su –
Enter your server password. You should now have root access.
How do you root a command?
Which command would allow a user to switch to the root user’s account?
The sudo command grants a one-time or limited-time access to root functionality. Typically, the sudo command is used to quickly run an administrative command, then return to the user account’s regular permissions. To provide sudo access, the user has to be added to the sudo group.
How do I allow a normal user to run commands as root user using sudo?
How do I allow a normal user to run these commands as root? You need to use the sudo command which is use to execute a command as another user. It allows a permitted user to execute a command as the superuser or another user, as specified in the /etc/sudoers (config file that defines or list of who can run what) file.
Which command is used to run commands that are used by the root user only * sudo su sudo command name su command name none of the above?
On Unix-like operating systems, the sudo command (“superuser do”) allows a user with proper permissions to execute a command as another user. By default, sudo executes commands as root.
Which Linux command can be executed by a logged in user in order to change to the root user?
The sudo command allows you to run programs as another user, by default the root user.
Which of the following Linux commands is used to execute a command with root user?
sudo command is a special command which is used to execute normal user commands with root privileges without logging as the root user.
Which of these commands will create a new shell logged in as the root user?
Which key allows you to view the last command entered in Linux?
27. Which key allows you to view the last command entered? Description – The up arrow is used to cycle through previously entered commands.
Which of the following commands will display the last five lines of a file called?
To look at the last few lines of a file, use the tail command. tail works the same way as head: type tail and the filename to see the last 10 lines of that file, or type tail -number filename to see the last number lines of the file. Try using tail to look at the last five lines of your .
Which command allows you to use the default editor to edit several commands from the history file?
The function edit_history allows you to edit a block of commands from the history list using the editor named by the environment variable EDITOR , or the default editor (normally vi ).
Which command is used see the list of users who are currently logged in Mcq?
Users command is used to print the user name who are all currently logged in the current host.
Which command can be used to show only the last 10 lines of your history file?
Answer B is correct because the history command when piped through the tail command shows only the last 10 lines of your command history.
How can I see the command history of another user in Linux?
So if you want to view past commands executed by a user ubuntu just open terminal and run the following command to open that user’s .bash_history file. It is the same as logging into Linux as that user and running history command. If you run history in your account, it will only show your past commands.
What is the command to log a user in Linux?
How to log every shell command in Linux
Create a new rsyslog configuration file, and define the log file path. For example: /var/log/commands. log.
Edit the user’s ~/bashrc. Note: you need to edit each and every user’s ~/bashrc whoever needs such logs.
Restart rsyslog service.
How do I track user activity in Linux?
How to see what users are up to in Linux
finger. One handy command for getting a user profile is finger.
w. The w command also provides a nicely formatted list of currently active users including idle time and what command they most recently ran.