Final answer:
To determine the file type of "IT4983" in the home directory, use the command 'file ~/IT4983'. It outputs information about whether the file is a text, binary, directory or a link.
Step-by-step explanation:
To find out the file type of "IT4983" located in your home directory without knowing your current working directory, you can use the following command:
file ~/IT4983
This command will output information about the file type, such as whether "IT4983" is a text file, a binary file, a directory, or a symbolic link, etc. The tilde (~) is a shorthand for your home directory, and this means the command will work regardless of your current working directory.