SIMULATION
Which file in /proc describes the IRQs that are used by various kernel drivers? (Specify the file name only without any path.)
Which run levels should never be declared as the default run level when using SysV init? (Choose TWO correct answers.)
A. 0
B. 1
C. 3
D. 5
E. 6
When removing a package, which of the following dpkg options will completely remove the files including configuration files?
A. --clean
B. --delete
C. --purge
D. remove
In a nested directory structure, which find command line option would be used to restrict the command to searching down a particular number of subdirectories?
A. -dirmax
B. -maxdepth
C. -maxlevels
D. -n
E. -s
Which of the following statements is correct regarding the command foo 1> bar?
A. The stdout from the command foo is appended to the file bar.
B. The stdout from the command foo overwrites the file bar.
C. The command foo receives its stdin from the file bar.
D. The command foo receives its stdin from the stdout of the command bar.
E. The stderr from the command foo is saved to the file bar.
Which of the following shell redirections will write standard output and standard error output to a file named filename?
A. 2>and1 >filename
B. >filename 2>and1
C. 1>and2>filename
D. >>filename
E. 1and2>filename
Which of the following commands can be used to determine how long the system has been running? (Choose TWO correct answers.)
A. uptime
B. up
C. top
D. uname -u
E. time up
Creating a hard link to an ordinary file returns an error. What could be the reason for this?
A. The source file is hidden.
B. The source file is read-only.
C. The source file is a shell script.
D. The source file is already a hard link.
E. The source and the target are on different filesystems.
Which of the following is a limitation of the cut command?
A. The cut command can only select output by field position.
B. The cut command cannot reorder fields.
C. The cut command only works on ASCII text.
D. The cut command cannot use different input and output delimiters.
Which of the following apt-get commands will install the newest versions of all currently installed packages?
A. auto-update
B. full-upgrade
C. dist-upgrade
D. install
E. update
