10/11/2018

What will we learn about Linux Today?

Commands/Programs/Functions:

• cd
• mkdir
• cp
• mv
• ls
• pwd
• rm
• more
• less
• head
• tail
• cat
• grep
• sort
• wc
• echo

Features:

• -h
• --help
• the "pipe" |
• <
• >
• >>
• the * wildcard

Some more complex commands:

1. ls
2. clear
3. echo 'i'
4. echo 'i' | wc
5. echo 'Hello World' | grep 'World' | wc
6. echo 'Hello World' | grep 'World' 
7. echo 'Hello World' | grep 'world' | wc
8. echo 'Hello World' | grep -c 'world'
9. echo 'Hello World' | grep -c 'World'
10. echo 'Hello World' | grep -i 'world' | wc
11. echo 'Hello World' | for i in $(grep -i 'world'); do echo $i; done
12. echo 'Hello'; echo 'World';
13. echo 'Hello'; echo 'World'; echo '.' | for i in $($_); do echo $i; done 
14. echo 'Hello'; echo 'World'; echo '.' | echo $_