Nalam V S S Krishna Chaitanya nalamchaitanya

## sed.sh
sed 's/<string to find>/<string to replace>/g' <file to find and replace>
# sed is a tool to find and replace in terminal.
# the thing in quotations is the main gist of command.
# s means search.
# g means do the operation globally over the file.

## awk.sh
awk -F ',' '{print $1,$2}' <filename> #Divides the ',' separated file and prints the column 1 and 2 by separting with space.

awk -F ',' '{a[$1]++;}END{print $1,a[$1]}' <filename> # Gives the frequency of words in file.

## Miscellaneous.sh
lsb_release -a #gives the version of ubuntu.
	sed 's/<string to find>/<string to replace>/g' <file to find and replace>
	# sed is a tool to find and replace in terminal.
	# the thing in quotations is the main gist of command.
	# s means search.
	# g means do the operation globally over the file.
	awk -F ',' '{print $1,$2}' <filename> #Divides the ',' separated file and prints the column 1 and 2 by separting with space.

	awk -F ',' '{a[$1]++;}END{print $1,a[$1]}' <filename> # Gives the frequency of words in file.