46. Which of the following commands can be used to get information about all users who are currently logged into the system?

A. which
B. who
C. who am i
D. 1 /u
E. None of the above

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47. Which of the following keys is used to overstrike a whole line?

A. R
B. v
C. C
D. u
E. None of the above

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48. Which command is used to locate all the .profile files in the system?

A. ls profile
B. find /-name profile -print
C. cd /.profile
D. l -u .profile
E. None of the above

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