The 'chmod' command

The command 'chmod' defines who can access your files or directories. There are four types of people who can access your files, yourself(u), people in the same group(g), and others(o), and all(a). Similarly, there are three ways that they can access the file, looking at it(r), editing it(w), and running it if it is a program(x). The command format is chmod usertype=accesstypes . You can include multiple access types in the one command, i.e. you can give group members write and execute rights by typing chmod g=xw

'chmod u=wrx'

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