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

• 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'

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