New posts in Columns

Combining large amount of files

Select certain column of each file, paste to a new file

Removal of lines with no more or fewer than 'N' fields?

Merging columns from two separate files

How to extract lines by words in specific position, not column?

How do I use cut to separate by multiple whitespace?

A better paste command

Sum the values in a column except the header

Change column separators in a file

Split long output into two columns