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welcome to the testing word in this session we are going to understand next a WK command here we are going to print columns from the PSC five Cs 5 mins comma-separated file so I am just moving to my terminal lets go to terminal and first of all I show you my CSV file or I said a comma separated file so I am just clearing the screen and here I have a file with the name file under school and its a comma dot txt so I am just printing all the data from this file so I have a file in which my all the column are separated by comma here if I want to print only column 1 so I am writing a W key and here Im writing print dollar 1 so for first column Im just writing dollar 1 and the file name so file name was while underscore Commodore EFT here you will notice it is printing all the columns Ewans the right dollar one dollar one means what I want only first column to be displayed but it is display order column because by default aw case try to separate columns by using tab here we dont have a