QUESTION 1

Match the sed command with the correct output. All of the text is a single line in the sed commands.

- A. B. C. D. E. F.	sed -e '1,2d' -e 's/\(.*\):\(.*\):\(.*\):\(.*\):\(.*\):\(.*\):\(.*\)/\1:\5:\6:\7/'
- A. B. C. D. E. F.	sed -sed -e '1,2d' $1e 's/\(.*\):\(.*\):\(.*\):\(.*\):\(.*\):\(.*\):\(.*\)/\1:\5:\6:\7/'
- A. B. C. D. E. F.	sed -e '1,2d'
- A. B. C. D. E. F.	sed -n -e '/^s/p'
- A. B. C. D. E. F.	sed -e 's/^\(.*\),\(.*\),\(.*\)$/\3,\2,\1,&/'
- A. B. C. D. E. F.	sed -e 's/.*$/& &/'

A.	grep '^s'
B.	Deletes lines 1 and 2
C.	Deletes lines 1 and 2 and for the rest of the lines print fields 1,5,6,7 from a colon separated list
D.	Produces a syntax error with sed
E.	take the original line and repeat it 2 times
F.	swap column 1 and 3 of a comma separated list and put the original list at the end

50 points

QUESTION 2

Match the command to the statement that best describes it.

- A. B. C. D. E. F. G.	cut -d: -f7 | sort -u < /etc/passwd
- A. B. C. D. E. F. G.	cut -d: -f1 < /etc/passwd
- A. B. C. D. E. F. G.	cut -d: -f7 /etc/passwd | sort -u
- A. B. C. D. E. F. G.	ls | paste - - - -
- A. B. C. D. E. F. G.	cut -d: -f1,5 /etc/passwd
- A. B. C. D. E. F. G.	vi `grep -l foobar *.c`
- A. B. C. D. E. F. G.	grep -v '^mr' /etc/passwd

A.	The command will print the passwd file sorted and then wail for input from standard input.
B.	Print fields 1 and 5 from the password file (separated by a :)
C.	Edit all the files .c whose contents contain the text foobar
D.	Take the output of ls and put it on standard output 4 per line
E.	print all lines in the password file which don't begin with ^mr
F.	Print field 1 of the passwd file.
G.	The command to cut field 7 of the password file and then sort the results removing any redunant