# shuf > Generate random permutations. - Randomize the order of lines in a file and output the result: `shuf {{filename}}` - Only output the first 5 entries of the result: `shuf -n {{5}} {{filename}}` - Write output to another file: `shuf {{filename}} -o {{output_filename}}` - Generate random numbers in range 1-10: `shuf -i {{1-10}}`