-f list or -fields=list option cuts the specified list of fields from the input file. By default, a field is a tab-delimited section of a line, but you can change the delimiting character with the -d char, -delim=char, or -delimiter=char option, where char is the character you want to use to delimit fields. Ordinarily, cut echoes lines that don't contain delimiters. Including the -s or -only-delimited option changes this behavior so that the program doesn't echo lines that don't contain the delimiter character.
Many of these options take a list option, which is a way to specify multiple bytes, characters, or fields. You make this specification by number. It can be a single number (such as 4), a closed range of numbers (such as 2-4), or an open range of numbers (such as -4 or 4-). In this final case, all bytes, characters, or fields from the beginning of the line to the specified number (or from the specified number to the end of the line) are included in the list.
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