diff --git a/5.0/Calculate-dump-contents-entropy.md b/5.0/Calculate-dump-contents-entropy.md new file mode 100644 index 0000000..3741a47 --- /dev/null +++ b/5.0/Calculate-dump-contents-entropy.md @@ -0,0 +1,39 @@ + + +- [Command Description](#command-description) +- [Command usage](#command-usage) +- [Example](#example) +- [Operating system support](#operating-system-support) + + +## Command Description + +This operation will calculate uniqueness and entropy of the media represented by a media dump image. It's not affected by the image format compression if applicable. + +## Command usage + +``` +Aaru -d [true/false] -v [true/false] image entropy -h [true/false] -p [true/false] -t [true/false] -w [true/false] +``` + +`-d, --debug [true/false]` shows debug output *(default false)* +`-v, --verbose [true/false]` shows verbose output *(default false)* +`-h, --help [true/false]` shows help screen for the command instead of running it, ignores all other switches *(default false)* +`-p, --duplicated-sectors [true/false]` besides entropy also calculates how many sectors have the exact same data in their user area *(default true)* +`-t, --separated-tracks true/false]` separately calculates the entropy for each track dividing the media. Only applicable to certain kind of media (optical discs and digital tapes mostly) *(default true)* +`-w, --whole-disc [true/false]` calculates the entropy for the whole media *(default true)* + +## Example + +```bash +Aaru image entropy mydisc.cue +``` + +## Operating system support + +| OS | Supported | +|----|-----------| +| FreeBSD | Yes | +| macOS | Yes | +| Linux | Yes | +| Windows | Yes |