Which of the following commands print the current working directory when using a Bash shell? (Choose two.) echo "${PWD}"

What command changes the nice level of a running process?
(Specify ONLY the command without any path or parameters)

The command dbmaint & was used to run dbmaintin the background. However, dbmaintis terminated after logging out of the system. Which alternative dbmaintinvocation lets dbmaintcontinue to run even when the user running the program logs out?

What is true regarding the configuration of yum? (Choose two.)

FILL BLANK
Which System V init configuration file is commonly used to set the default run level? (Specify the full name of the file, including path.)