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2021 Sep 101-400 test question
Q61. - (Topic 3)
Which variable defines the directories in which a Bash shell searches for executable commands?
Q62. - (Topic 1)
Which of the following commands reboots the system when using SysV init? (Choose TWO correct answers.)
A. shutdown -r now
B. shutdown -r "rebooting"
C. telinit 6
D. telinit 0
E. shutdown -k now "rebooting"
Q63. - (Topic 3)
In the vi editor, which of the following commands will copy the current line into the vi buffer?
Q64. - (Topic 3)
What is the difference between the i and a commands of the vi editor?
A. i (interactive) requires the user to explicitly switch between vi modes whereas a (automatic) switches modes automatically.
B. i (insert) inserts text before the current cursor position whereas a (append) inserts text after the cursor.
C. i (independent rows) starts every new line at the first character whereas a (aligned rows) keeps the indentation of the previous line.
D. i (interrupt) temporarily suspends editing of a file to the background whereas a (abort) terminates editing.
Q65. - (Topic 1)
Which of the following statements is correct when talking about /proc/?
A. All changes to files in /proc/ are stored in /etc/proc.d/ and restored on reboot.
B. All files within /proc/ are read-only and their contents cannot be changed.
C. All changes to files in /proc/ are immediately recognized by the kernel.
D. All files within /proc/ are only readable by the root user.
Up to the minute 101-400 test preparation:
Q66. - (Topic 3)
What is the purpose of the Bash built-in export command?
A. It allows disks to be mounted remotely.
B. It runs a command as a process in a subshell.
C. It makes the command history available to subshells.
D. It sets up environment variables for applications.
E. It shares NFS partitions for use by other systems on the network.
Q67. - (Topic 4)
Which of the following commands can be used to display the inode number of a given file?
D. cp Answer: B
Q68. - (Topic 4)
Which of the following commands shows the definition of a given shell command?
Q69. - (Topic 3)
Which of the following signals is sent to a process when the key combination CTRL+C is pressed on the keyboard?
Q70. - (Topic 3)
What is the default nice level when a process is started using the nice command?
C. 20 D. 0