laxmansingh2397

laxman@laxman-X556UR:~$ wget -O harry.txt https://raw.githubusercontent.com/bobdeng/owlreader/master/ERead/assets/books/Harry%20Potter%20and%20the%20Goblet%20of%20Fire.txt
" Downloads link content and put that content into file named harry.txt. "

laxman@laxman-X556UR:~$ head -n 3 harry.txt 
" Prints first 3 lines. "

laxman@laxman-X556UR:~$ tail -n 10 harry.txt 
" Prints last 10 lines. "

laxman@laxman-X556UR:~$ grep -o -i "Harry" harry.txt | wc -l

laxmansingh2397

laxman@laxman-X556UR:~/Documents$ mkdir hello
" Creates folder named hello"

laxman@laxman-X556UR:~/Documents$ cd hello
" Open the folder named hello"

laxman@laxman-X556UR:~/Documents/hello$ mkdir five
" Creates folder named five in hello folder. "

laxman@laxman-X556UR:~/Documents/hello$ mkdir one