Linux - Practice Test | ExamPrepSheets

[#461] Which command can be executed by a user who is already logged into the system, in order to change to the root user? (type the command without any parameters)

(A) su

(B) root

(C) chroot

(D) user

Correct Answer

(A) su

[#462] A user can change the default log-in shell using

(A) chmod

(B) chsh

(C) rmsh

(D) tchsh

Correct Answer

(B) chsh

[#463] What is /proc/self ?

(A) a directory

(B) link to the currently running process

(C) it allows a process to look itself without having to know its process ID

(D) all of the mentioned

Correct Answer

(D) all of the mentioned

[#464] Which one of the following statement is not true?

(A) vim editor is the improved version of vi editor

(B) vi editor commands are not case sensitive

(C) vi editor has two modes of operation: command mode and insert mode

(D) vi stands for visual editor

(E) awk's built-in functions can be categorised into three categories: numeric, string and I/O

(F) built-in functions are always available to call

(G) extra arguments to built-in function causes syntax error

(H) we can also define the function in awk program

Correct Answer

(B) vi editor commands are not case sensitive
(G) extra arguments to built-in function causes syntax error

[#465] In awk program, the statement "print" with no items

(A) is equivalent to "print $0"

(B) prints the entire current record

(C) is equivalent to "print $0" & prints the entire current record

(D) none of the mentioned

Correct Answer

(C) is equivalent to "print $0" & prints the entire current record

Linux - Study Mode

[#461] Which command can be executed by a user who is already logged into the system, in order to change to the root user? (type the command without any parameters)

Correct Answer

[#462] A user can change the default log-in shell using

Correct Answer

[#463] What is /proc/self ?

Correct Answer

[#464] Which one of the following statement is not true?

Correct Answer

[#465] In awk program, the statement "print" with no items

Correct Answer