However, if the hash codes don’t match, then there is a possibility that the file has been interfered with and modified by someone. If the hash code created by the CRC SHA option of 7 zip matches the developer’s hash code, then the file is original and safe to use. Now this generated hash code can be compared with the hash code of the developer. Whenever you download any file from the internet using CRC SHA, you can generate its hash code. What is the CRC SHA option in Context Menu?ĬRC SHA option collectively checks the integrity of the files. Whenever you download anything from the internet, SHA checks whether it is corrupted or has any other issues. SHA is basically used for verifying the integrity of the data or information you download from the internet. It was developed by the National Security Agency(NSA). SHA is the acronym to Security Hash Algorithm. The algorithm is based on the cyclic codes, and the check value is redundant, therefore the name CRC. CRC is quite popular because it is easy to execute in binary hardware, simple to analyze mathematically, and quite effective in detecting the common errors caused by noise in transmission channels. It is basically used for checking the unintentional changes to raw data in digital networks and storage devices. Word "context", and "Cascading Menus" are relevant terms to this subject.Useless Windows 10 Features which Microsoft Must Remove What is CRC?ĬRC is the short form for the Cyclic Redundancy Check. Now that I understand more of the jargon, the But I feel my failure is that I don't know what jargon to use to get a good hit. (SAS is the program that is associated with the particular ".sas" file and Vim is associated with any file ".*".)
My goal is to organize the menu-items dealing with, SAS and Vim by grouping the items into submenus similar to 7-zip and "CRC SHA". By clicking into these arrows, more menu-items appear providing more associated actions for the individual programs. Notice the submenu arrows for 7-zip, "CRC SHA" on the right.
The first set of menu-items are for a program called SAS (7 items), followed by 7-zip (only 1 item), "CRC SHA"(1 item), and then ending file association menu-items with 8 menu-items for Vim. The picture illustrates the programs associated with a file on my system. I want to know how to modify the registry so that I can group menu-items in the dropdown menu (right-clicking from file in the explorer) and put those menu-items in submenus.
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