1. Linux Stuff Last Update 2014.07.07 1.0.0 Copyright 2014 Kenneth M. Chipps Ph.D. www.chipps.com 1

2. Objectives of This Section Learn –Enough about Linux to do the labs Copyright 2014 Kenneth M. Chipps Ph.D. www.chipps.com 2

3. Common Commands pwd –Shows the current directory cd –Change directories cp –Copy mv –Rename Copyright 2014 Kenneth M. Chipps Ph.D. www.chipps.com 3

4. Common Commands rm –Remove mkmir –Make a directory rmdir –Delete empty directories Copyright 2014 Kenneth M. Chipps Ph.D. www.chipps.com 4

5. Common Commands ls –Show a list of whatever is in the directory –Switches -a –Show everything -F –List by type -l –Detailed listing -t –List by date Copyright 2014 Kenneth M. Chipps Ph.D. www.chipps.com 5

6. Common Commands To show one screen full of filenames at a time –ls –l | less Copyright 2014 Kenneth M. Chipps Ph.D. www.chipps.com 6

7. Common Commands ln –Create a link file –To find out what type of file the file is cat –Display what is inside a file Copyright 2014 Kenneth M. Chipps Ph.D. www.chipps.com 7

8. Common Commands head –Show the first 10 lines of a file –As in head filename –Or specify the number of lines with head –n20 filename Copyright 2014 Kenneth M. Chipps Ph.D. www.chipps.com 8

9. Common Commands tail –Show the last 10 lines of a file –As in tail filename –Or specify the number of lines with tail –n20 filename Copyright 2014 Kenneth M. Chipps Ph.D. www.chipps.com 9

10. Common Commands more –Shows a file one page at a time less –Shows a file one page at a time –But allows scrolling through the file –q to quit it Copyright 2014 Kenneth M. Chipps Ph.D. www.chipps.com 10

11. Common Commands grep –To search through a file –For example grep whattosearchfor filetolookin or grep ‘word word’ filetolookin find –Looks through directories for a file Copyright 2014 Kenneth M. Chipps Ph.D. www.chipps.com 11