Which of the following steps prevents a user from obtaining an interactive login session?

Which file specifies the user accounts that can NOT submit jobs via at or batch? (Provide the full path and filename)

Which character in the password field of /etc/passwd is used to indicate that the encrypted password is stored in
/etc/shadow?

The system’s timezone may be set by linking /etc/localtime to an appropriate file in which directory? (Provide the full path to
the directory, without any country information)

Which of the following fields are available in both the global /etc/crontab file as well as in userspecific crontab files? (Select
TWO correct answers)

Which command can be used to delete a group from a Linux system?

What is the purpose of the iconv command?

In case neither cron.allow nor cron.deny exist in /etc/, which of the following is true?

Which of the following commands can remove a user from a group?

Where are user specific crontabs stored?