Why software needs permissions
An application permission controls access to a resource such as the camera, contacts, location or files. Operating systems use permissions to reduce the damage a careless or compromised…
Read the guide →Software
<p>Apps, operating systems and the ideas that make them useful.</p>
Why file formats matter
A file format describes how information is structured so another program can read it. Some formats are open and broadly documented; others depend on one application or vendor.…
Read the guide →What an API does
An API is an agreed way for one program to request data or an action from another. It defines endpoints, inputs, outputs, authentication and error behavior. A mobile…
Read the guide →Two-factor authentication: why a second step matters
Two-factor authentication requires two different categories of proof, such as something you know, something you have or something you are. A password plus a time-based code is stronger…
Read the guide →What Docker changes about running software
Docker packages an application with a controlled user-space environment called a container. A container shares the host kernel but keeps the application’s files, processes and network settings separated…
Read the guide →How software updates are delivered safely
An update replaces or adds software components to fix bugs, close security holes and introduce features. The system downloads a package, verifies its signature or integrity and applies…
Read the guide →Cloud storage explained: sync, backup and sharing
Cloud storage usually means files are kept on remote servers and accessed over a network. Sync tools keep copies aligned across devices, while sharing tools give other people…
Read the guide →What open source means in practice
Open-source software makes source code available under a license that grants specific rights to inspect, modify and redistribute it. The license matters: “open source” is not a promise…
Read the guide →What a browser extension can access
Browser extensions can add useful features by reading page content, changing requests or interacting with tabs. Their permissions describe the scope of that access, but a permission prompt…
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