-h option is used with who command for what purpose?
A. display output with header information
B. display output with a more detailed version
C. display output with trailer information
D. display output in columnar form
Answer: Option A
Related Questions on Unix
Which symbol will be used with grep command to match the pattern pat at the beginning of a line?
A. ^pat
B. $pat
C. pat$
D. pat^
E. None of the above
Which command is used to sort the lines of data in a file in reverse order
A. sort
B. sh
C. st
D. sort -r
E. None of the above
Which command is used to display the top of the file?
A. cat
B. head
C. more
D. grep
E. None of the above
A. cp chap?? progs
B. cp chap* progs
C. cp chap[12] /progs/*.*
D. cp chap?? /progs/*
E. None of the above
Join The Discussion