Linux and UNIX Man Pages

Test Your Knowledge in Computers #143
Difficulty: Easy
Apple released a Unix system called Darwin in 2000 which became the core of the Mac OS X operating system, which was later renamed macOS.
True or False?
Linux & Unix Commands - Search Man Pages

vserver(2) [opensolaris man page]

UNIMPLEMENTED(2)					     Linux Programmer's Manual						  UNIMPLEMENTED(2)

NAME
afs_syscall, break, fattach, fdetach, ftime, getmsg, getpmsg, gtty, isastream, lock, madvise1, mpx, prof, profil, putmsg, putpmsg, secu- rity, stty, tuxcall, ulimit, vserver - unimplemented system calls SYNOPSIS
Unimplemented system calls. DESCRIPTION
These system calls are not implemented in the Linux kernel. RETURN VALUE
These system calls always return -1 and set errno to ENOSYS. NOTES
Note that ftime(3), profil(3), and ulimit(3) are implemented as library functions. Some system calls, like alloc_hugepages(2), free_hugepages(2), ioperm(2), iopl(2), and vm86(2) exist only on certain architectures. Some system calls, like ipc(2), create_module(2), init_module(2), and delete_module(2) exist only when the Linux kernel was built with sup- port for them. SEE ALSO
syscalls(2) COLOPHON
This page is part of release 4.15 of the Linux man-pages project. A description of the project, information about reporting bugs, and the latest version of this page, can be found at https://www.kernel.org/doc/man-pages/. Linux 2017-09-15 UNIMPLEMENTED(2)

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