Which TWO runlevels should never be declared as the default runlevel?
Answer: A, D
After modifying GRUB’s configuration file, what command should you run for the changes to take effect?
A. kill HUP `pidof grub`
D. no action is required
You are trying to make a hard link to an ordinary file but ln returns an error. Which of the following could cause this?
A. The source file is hidden.
B. The source file is readonly.
C. The source file is a shell script.
D. You do not own the source file.
E. The source and the target are on different filesystems.
QUESTION 234 CORRECT TEXT
What file allow admin to adjust number of mounts after which file system will be checked by e2fsck?
Which command will convert all tab characters in a file to spaces and print that to standard out?
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 will always print one line of output for every line of input.
When in Normal mode in vi, which command character can be used to begin a reverse search of the text?
In bash, inserting 2>&1 after a command redirects
A. standard error to standard input.
B. standard input to standard error.
C. standard output to standard error.
D. standard error to standard output.
E. standard output to standard input.
When in Normal mode in vi, which command character will insert a blank line below the current cursor position and place the insert cursor at the beginning of the new line?
To ensure that a running process continues to execute after you log out, the process should be started with what command?
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