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How to manage files and directories on GNU/Linux?
Once inside a directory, you might want to see the content, hidden files, permissions or details of each files or subdirectories, even delete and find files.
Traffic Generators
The traffic generators are useful for injecting traffic of certain applications or network services and not have the need to run such applications, in my case I used to generate the traffic of VoIP, video streaming, video surveillance, and even to make some reverse engineering on certain commercial devices.
What is 4G? and what are the most important technical characteristics?
The fourth generation of mobile phones (4G), "Long Term Evolution" (LTE) is the next generation of mobile networks. LTE is a wireless network that provides wireless broadband at a better cost and performance than that achieved with xDSL technologies.