Can you state if the statment is true or not?

5 Multiprogramming and timesharing are one and the same concept, in that, both aims at a more 6 Pipes could be blocking or non-blocking, full duplex or half-duplex, but they can only be message- 7 At the time of creation, a process has access to the standard files: stdin, stdout and stderr. But these 8 The exec family of system calls is used to overlay one process with another. Thus, the only way to get efficient utilization of the same computer system resource the main memory boundary non-preserving (and not message-boundary preserving) standard files can be redirected to other files in the course of program execution. a child process to perform a different task from the parent is by use of an exec call 9 With fread0 (fwrite0), we typically read (or write) one element of an array of data structures at a 10 The operating system and other system programs operate in kemel (protected) mode, while all other 11 A zombie process is a major problem in operating systems, since a zombie process consumes system 12 The system calls wait) and waitpid0 are similar in the sense that both of them can be used to wait for time. However, we can actually read (write) multiple elements with one call to fread) (fwrite)) programs operate in user mode resources, and the zombie cannot be removed from the system a process. Therefore, one can always be used in place of the other. 5 Multiprogramming and timesharing are one and the same concept, in that, both aims at a more 6 Pipes could be blocking or non-blocking, full duplex or half-duplex, but they can only be message- 7 At the time of creation, a process has access to the standard files: stdin, stdout and stderr. But these 8 The exec family of system calls is used to overlay one process with another. Thus, the only way to get efficient utilization of the same computer system resource the main memory boundary non-preserving (and not message-boundary preserving) standard files can be redirected to other files in the course of program execution. a child process to perform a different task from the parent is by use of an exec call 9 With fread0 (fwrite0), we typically read (or write) one element of an array of data structures at a 10 The operating system and other system programs operate in kemel (protected) mode, while all other 11 A zombie process is a major problem in operating systems, since a zombie process consumes system 12 The system calls wait) and waitpid0 are similar in the sense that both of them can be used to wait for time. However, we can actually read (write) multiple elements with one call to fread) (fwrite)) programs operate in user mode resources, and the zombie cannot be removed from the system a process. Therefore, one can always be used in place of the other