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Permissions ยท As regular users, we do not have permission to write or even read every file on the machine. For example, if I try to read the file...
locate The locate command performs a search of pathnames across our machine that match a given substring and then prints out any matching names. You...
Standard Streams The three standard streams are communication channels between a computer program and its environment. They are: Standard...
cat The cat command concatenates and prints the contents of files. cat <filename> will read the contents of a file and print them out. For example,...
The Prompt When we open up our terminal, we'll see our prompt which will likely include your username@machinename, followed by a ~ and then a dollar...
The World Of Operating Systems Most operating systems can be grouped into two families: The Microsoft NT descendants including Windows, Xbox OS, and...