Unix - Part 1 Online Exam Quiz
Unix - Part 1 GK Quiz. Question and Answers related to Unix - Part 1. MCQ (Multiple Choice Questions with answers about Unix - Part 1
Which symbol will be used with grep command to match the pattern pat at the beginning of a line?
Options
A : ^pat
B : $pat
C : pat$
D : pat^
Which command is used to sort the lines of data in a file in reverse order
Options
A : sort
B : sh
C : st
D : sort -r
Which command is used to display the top of the file?
Options
A : cat
B : head
C : more
D : grep
Which command is used to copy all files having the string chap and any two characters after that to the progs directory?
Options
A : cp chap?? progs
B : cp chap* progs
C : cp chap[12] /progs/*.*
D : cp chap?? /progs/*
Which command is used to change protection mode of files starting with the string emp and ending with 1,2, or 3?
Options
A : chmod u+x emp[1-3]
B : chmod 777 emp*
C : chmod u+r ??? emp
D : chmod 222 emp?
Which command is used to remove a directory?
Options
A : rd
B : rmdir
C : dldir
D : rdir
Which of the following keys is used to replace a single character with new text?
Options
A : S
B : s
C : r
D : C
Which command is used to extract specific columns from the file?
Options
A : cat
B : cut
C : grep
D : paste
Which command sends the word count of the file infile to the newfile.
Options
A : wc infile >newfile
B : wc <infile >newfile
C : wc infile - newfile
D : wc infile | newfile
Which command is used to remove the read permission of the file 'note' from both the group and others?
Options
A : chmod go+r note
B : chmod go+rw note
C : chmod go-x note
D : chmod go-r note
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