2.5.4.
Files
Up one level
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Change directory to / and then to etc. Type ls; if the output is longer than your screen, make the window longer, or try Shift+PageUp and Shift+PageDown.
The file inittab contains the answer to the first question in this list. Try the file command on it.
-> The file type of my inittab is .....
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Use the command cat inittab and read the file.
-> What is the default mode of your computer?
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Return to your home directory using the cd command.
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Enter the command file .
-> Does this help to find the meaning of "."?
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Can you look at "." using the cat command?
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Display help for the cat program, using the --help option. Use the option for numbering of output lines to count how many users are listed in the file /etc/passwd.

