True read-only USB disks require hardware support. Otherwise, you can still erase the disk with the same tools you used to create it in the first place.
One method to create a read-only file system, that should work on most Linux distributions, is to use SquashFS.
Encryption
Most Linux distributions are available free of charge, so they do not require q product key to install.
In the same manner as you would in Windows or OS X. You press the Shift key, and hold while pressing the key between the 0 and the + in the standard typing section.
Animations have no direct relation whatsoever to the Super key.
Linux is an open source Kernel a key element in any operating system responsible amongst other things for managing memory. A Linux distribution is an operating system based on the Linux kernel, there are many Linux distributions. Please reword the question.
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Whatever you set it to be. By default, it is Alt - F1.
Simply press down the shift key for an upper case character. Release the shift key for a lower case character - as you appeared to have done to 'How' and 'Linux' in your question.
In windows or Linux OS's, you would hold the ALT-Key and then press the TAB-key.
Vector Linux, often abbreviated VL, has the key features that it is built for the x86 platform, is a Slackware distribution, and has a graphical front end. There are 4 versions available which include SOHO, Standard, Light and Live.
All Linux distros have about the same capabilities as far as applications go. The key to playing any Windows games on Linux is the installation of Wine. Wine is a library that allows most (though certainly not all) Windows programs to be run on Linux.
To decrypt a message using a public key, the recipient must have the corresponding private key. The sender encrypts the message using the recipient's public key, which can only be decrypted with the recipient's private key. This ensures that only the intended recipient can read the message.