PART 3 Explore grep filter commands in Chapter 10 grep root passwd bak grep e root e amorris passwd bak ps ef grep your username NOTE replace your username with your actual username on the general grep nobody passwd bak5 grep nobody passwd bak5 grep n obody passwd bak5 grep bash$ passwd bak5 TO HAND IN Take a screen shot of these commands plus their execution for PART 3 PART 4 Explore sed filter commands in Chapter 10 sed '5q' passwd bak5 sed n '1,5p' passwd bak5 sed n '5,8p' passwd bak5 sed n e '5,8p' e '20,24p' passwd bak5 sed n '$p' passwd bak5 sed e ' x 0 w passwd root bak' passwd bak5 vi myscript sh NOTE Develop your own short script sed '1i just a comment ' myscript sh myscript2 sh sed 's g' passwd bak5 head ls al sed ' w p' NOTE See files with write group permissions vi teledir txt and add the following text charles harris 98310200987 bill Johnson 327 100 2345 robert dylan 9632454090 john woodcock 2344987665 barry wood 234 908 3456 gordon lightfoot 345 987 4670 sed 's ( a z ) ( a z ) 2, 1 ' teledir txt sort TO HAND IN Take a screen shot of these commands plus their execution for PART 4

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Question: PART 3: Explore grep filter commands in Chapter 10: grep root passwd.bak grep - e root -e amorris passwd.bak ps -ef | grep your username

PART 3: Explore grep filter commands in Chapter 10:

grep "root" passwd.bak
grep - e "root" -e "amorris" passwd.bak
ps -ef | grep "your username" NOTE: replace "your username" with your actual username on the general
grep "nobody" passwd.bak5
grep "^nobody" passwd.bak5
grep "[n*]obody" passwd.bak5
grep "bash$" passwd.bak5
TO HAND IN: Take a screen shot of these commands plus their execution for PART 3.

PART 4:

Explore sed filter commands in Chapter 10:

sed '5q' passwd.bak5
sed - n '1,5p' passwd.bak5
sed -n '5,8p' passwd.bak5
sed -n -e '5,8p' -e '20,24p' passwd.bak5
sed -n '$p' passwd.bak5
sed -e '/:x:0/w passwd.root.bak' passwd.bak5
vi myscript.sh NOTE: Develop your own short script
sed '1i\#just a comment\' myscript.sh > myscript2.sh
sed 's/:/|/g' passwd.bak5 | head
ls -al | sed '/^.....w/p' NOTE: See files with write group permissions
vi teledir.txt and add the following text:

charles harris 98310200987

bill Johnson 327-100-2345

robert dylan 9632454090

john woodcock 2344987665

barry wood 234-908-3456

gordon lightfoot 345-987-4670

sed 's /$[a-z]*$ *$[a-z]*$/\2, \1/' teledir.txt | sort
TO HAND IN: Take a screen shot of these commands plus their execution for PART 4.

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