[Question] regarding creat() function

creat() is to create a new file or directories
lets say i have this

Code :

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Kernel.creat( name , Kernel.S_IFDIR ) ;

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I just want to know is there any keyword to delete the file or directory since creat() is to function to create. I want to implement a function to delete. By the way, I'm modifying an operating system called MOSS. If possible, hope to get guidance more to the operating system side. I'm using Eclipse IDE.

To delete it's delete().