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