Ndg Linux Essentials 2.0 Final Exam (Chapter 9-18)

Channel 2 is: a) STDIN b) STDOUT c) STDERR d) STDALL {Ans: STDERR}What is the correct way to save the current directory to a variable? {Ans: A=`pwd`}Which commands will display CPU information? {Ans: 1) lscpu 2) arch}What command can be used to determine a user's most recent log in? a) last b) login c) history d) shell {Ans: last}What are traits (vlastnosti) of a multiuser operating system? {Ans: 1) Resources are shared between users 2) Users can protect their information from other users 3) Many users can log in simultaneously with a unique account}The fdisk command is a tool used for working with the MBR partitioned disks. True or False? {Ans: True}A pipe allows you to... {Ans: ...send the output of one command to another.}What command can be used to print line numbers? {Ans: nl}Which of the following options for the useradd command allows root to specify the UID to be associated with the account? a) -u b) -g c) -M d) -G {Ans: -u}The /var directory has files that change over time. True or False? {Ans: True}Statements that are true in regard to virtual RAM {Ans: 1) Virtual