# shuf # Generate random permutations. # More information: <https://www.gnu.org/software/coreutils/shuf>. # 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 --output=path/to/output # Generate 3 random numbers in the range 1-10 (inclusive): shuf --head-count=3 --input-range=1-10 --repeat $Follow @igor_chubin cheat.sh tldr