Sometimes we are unable to create a directory because . . . . . . . .
A. the directory may already exist in the current directory
B. there may be an ordinary file by the same name in the current directory
C. the permissions set for the current directory does not allow the creation
D. the directory may exist, there may be an ordinary file, the permissions set for the current directory does not allow the creation
Answer: Option D
This Question Belongs to Computer Science >> 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
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