Latest CMC Aptitude Question SOLUTION: The system call that is key to multitasking in UNIX A) Exec B) Fork C) System D) None

File Structure Creating a Channel creat()
Related Calls open()
close()
Input/Output read()
write()
Random Access lseek()
Channel Duplication dup()
Aliasing and Removing link()
Files unlink()
File Status stat()
fstat()
Access Control access()
chmod()
chown()
umask()
Device Control ioctl()

ALL are System call so ans (B)