How to delete the first column ( which is in fact row names) from a data file in linux?

Question

I have data file with many thousands columns and rows. I want to delete the first column which is in fact the row counter. I used this command in linux:

cut          


        

Answer 1

You can use cut command with --complement option:

cut -f1 -d" " --complement input.file > output.file

This will output all columns except the first one.