⟩ The system calls in UNIX is written using which language? a) C b) C++ c) Assembly Language d) Fortran
a) C
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Given a code snippet below?
#define PERMS (S_IRUSR | S_IWUSR | S_IRGRP | S_IWGRP | S_IROTH | S_IWOTH)
int main() {
int fd1, fd2;
umask(0);
fd1 = open("file1", O_CREAT | O_RDWR, PERMS)
umask(S_IRGRP | S_IWGRP | S_IROTH | S_IWOTH);
fd2 = open("file2", O_CREAT | O_RDWR, PERMS)
return 0;
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The newly created files file1 and file2 will have the permissions respectively
a) rw-rw-rw- r---
b) r--- rw-rw-rw-
c) rw-rw-rw- rw---
d) None of the above
