Which language is best option in IT field?

Answer 1

Each language is a good language, according to the actual situation of choice, only the most appropriate.

Answer 2

perl good for shell scripting

Answer 3

it depends on your field of study. no language is hands down "the best" or else there wouldn't be so many. each one has strengths and weaknesses. research those strengths in regards to your personal field of study and go from there.