macOS – Best GUI Application for Generating a File Hash

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I would like to know if there's a built-in GUI application in Mac OS X that can generate file hashes (Disk Utility?). If there isn't such a built-in application, does a FOSS alternative exist? I can accept any application that can generate a file hash as CRC, MD5, or better in the SHA realm.

Additionally, showing how this is done in the application would be a bonus.

Best Answer

Quickhash-GUI seems to be what you're looking for. It's cross platform meaning it will be the same "workflow" across macOS, Linux, and Windows.

QuickHash GUI is an open-source Linux, Windows, and Apple Mac OSX graphical interface that enables easy and rapid data hashing of data : text, text files line by line, binary files, file comparisons, folder comparisons, disks and drive volumes (as administrator), Base64 data, as well as allowing files in one folder to be copied to another with data hashing conducted at either side for comparisons and data integrity.

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What application is using a particular file

Have you tried using the terminal command

$ lsof 'Filename'

For a more detailed look at the file use

$ lsof | grep -f 'Filename'

Should give you the command that is using it and also the PID of that file

Does anyone know what the file ~/Library/Preferences/com.npvdata.client is for

If my Googling-fu is stronger than yours, this appears to be linked to the Viscosity VPN client.

According to Viscosity technical support, Viscosity stores registration and trial information in this file, however it can be safely deleted if needed.

Best Answer

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What application is using a particular file

Does anyone know what the file ~/Library/Preferences/com.npvdata.client is for

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