Which of the following sed commands will replace all instances of the string foo with the string
foobar changing the file file1.txt in place?

A.
sed ‘s/foo/foobar/g’ filel M

B.
sed ‘s/foo/foobar/g’ filel M > filel M

C.
sed ‘s/foo/foobar/g’ filel M | filel M

D.
seD.i’s/foo/foobar/g’file1.txt

E.
seD.i ‘s/foo/foobar/g’ filel M > filel M

Explanation:
sed called Stream Editor, usually used to search and replace the string pattern in file. Syntax: sed
‘s /whattofind/replacewith/globally’ filename
Example: sed ‘s /cat/dog/g’ test CI will replace all cat occuranee to dog fron test file.