Mod 9-10

Where are individual user tasks scheduled to run with the cron daemon stored on a Fedora system?

/var/spool/cron/username

Which file contains default information such as UID and GID ranges and minimum password length to be used at user creation?

/etc/login.defs

Along with a listing of user accounts, the /etc/passwd file contains information on account expiry. True or False?

FALSE

To kill a process running in the background, you must place a % character before its process ID. True or False?

FALSE

UIDs and GIDs are unique to the system and, once used, can never be reused. True or False?

FALSE

You can clear a log file simply by redirecting nothing into it. True or False?

TRUE

You can lock a user account by changing the default login shell to an invalid shell in /etc/passwd. True or False?

TRUE

How can you bypass the wait function and send a user process to the background?

This cannot happen; only daemon processes can run in the background.

Which command can be used to temporarily alter the primary group associated with a given user?

newgrp

Every process has a process ID and a_______.

parent process ID

Which command entered without arguments is used to display a list of processes running in the current shell?

ps

The at command is used to _______________.

schedule processes to run at a single instance in the future

Which command is used to gain real-time information about processes running on the system, with the most processor-intensive processes listed at the beginning of the list?

top

Which command is used to delete a user account?

userdel username

Nice values are used to affect process priorities using a range between _____________.

�20 and 19

The pkill command terminates _________.

all instances of a process with the same name matched by a regular expression

What is the term used to describe a user providing a user name and password to log in to a system?

authentication

Which process has a PID of 1 and a PPID of 0?

init/systemd

What is the name of the utility used to rotate log files?

logrotate

Which command can be used to send a print job to the default printer named Printer1?

lp file