⟩ Single Unix Specification Version 2 provides enhanced support for a) 16 bit Unix b) 32 bit Unix c) 64 bit Unix d) 8 bit Unix
c) 64 bit Unix
c) 64 bit Unix
Return value of fork() system call can be a) -1,<0,0 b) -1,>0,0
Which niceness value among the following indicate most favorable scheduling? a) 0 b) 19 c) 5 d) -20
Fork returns _____ to parent process on success a) 0 b) child process id c) parent process id d) none
On x86-32 Linux, at which address the code segment of the program starts? a) 0×00000000 b) 0×08048000 c) 0×80000000 d) 0xbfff0000
A system has 512MB of physical memory. Which among the following is not a suitable virtual memory size for this system architecture? a) 512MB b) 256M c) 4GB d) None of the above
LRU stands for a) Last received Unit b) Least recently Used c) Least recently usable d) Lost Recoverd unit
Among these files which has an ELF format a) shared objects b) core c) executables d) all of the above
Any file's attribute information is stored in which structure on the disk a) Inode b) Data blocks c) File blocks d) Directory file
What is the default number of files open per user process? a) 0 b) 1 c) 2 d) 3
What is the use of fcntl function? a) locking a file b) reading the file descriptor flag c) changing the file status flag d) all the above