If a file has this mode number: 0402 what can the user who owns the file do with the file?O write to itI read read from itexecute itO nothingIf a file has this mode number: 0305 what can the user who owns the file do with the file?O write to itI read from itexecute itO nothingIf a file has this mode number: 0011 what can the user who owns the file do with the file?| write to itO read from itI execute itnothing Consider the following program. It opens filel and file2 which have already been created with:rm filel; rm file2; touch filel; touch file2;echo "ghi" > filelecho "gst" > file2Therefore, each file contains 4 bytes.Here is the program (it will not compile as is because it contains a question mark):/* problem7.c */#include cunistd.h>int main(void){char buffer = 'W';open("filel", 2);open("file2",2);1seek (3, ?,1);write(3,8buffer, 1);1seek(4, -2,2);write(4, 8buffer, 1);read (e, &buffer, 1);write(4,8buffer, 1);1seek(3, -3,2);write(3, &buffer, 1);write(4, "\n", 1);1seek(4,1,0);write(4, &buffer, 1);close(3);close(4);Without a further header file compilation will produce a warning, but this will not affect this problem.When you enter a certain character and the single question mark is replaced with an appropriate number cat filel produces:gxiand cat file2 produces:gxWxWhat is that number and what is that character?The single question mark (?) should be replaced with:

According to the Bartelby guidelines we are supposed to answer only 3 sub part of the question at…

If a file has this mode number: 0402 what can the user who owns the file do with the file? write to it read read from it execute it nothing If a file has this mode number: 0305 what can the user who owns the file do with the file? write to it read from it execute it nothing If a file has this mode number: e011 what can the user who owns the file do with the file? write to it read from it execute it nothing

If a file has this mode number: 0402 what can the user who owns the file do with the file? write to it read read from it execute it nothing If a file has this mode number: 0305 what can the user who owns the file do with the file? write to it read from it execute it nothing If a file has this mode number: e011 what can the user who owns the file do with the file? write to it read from it execute it nothing

Database System Concepts

7th Edition

ISBN:9780078022159

Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Chapter1: Introduction

Section: Chapter Questions

Problem 1PE

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