# shuf > Generate random permutations. > More information: . - Randomize the order of lines in a file and output the result: `shuf {{filename}}` - Only output the first 5 entries of the result: `shuf --head-count={{5}} {{filename}}` - Write the output to another file: `shuf {{filename}} --output={{output_filename}}` - Generate 3 random numbers in the range 1-10 (inclusive): `shuf --head-count={{3}} --input-range={{1-10}} --repeat`