Which of the following grep commands can be used to print out all of the lines that do not match the specified pattern?
A. grep -C 3 [pattern]
B. grep -v [pattern]
C. grep [pattern]
D. grep -w [pattern]
查看答案
Which commands can be used to print the lines that contain the numbers 0–5 in a file? Select all answers thst apply.
A. grep [0,1,2,3,4,5] filename
B. grep [0-5] filename
C. grep [-e0 -e1 -e2 -e3 -e4 -e5] filename
D. grep {0-5} filename
In search patterns, what is the syntax to match the end of the string?
A. .
B. ^
C. $
D. *
Which command will combine two files that share a common field?
A. merge
B. paste
C. join
D. cat
Identify the command option that should be present in the paste command to combine two files with a specified delimiter.
A. -d
B. -n
C. -t
D. -r