added 08-Task_management and lab4-tasks_syscalls

course/08-Task_management.md

course/08-Task_management.pdf

course/images/tasks_and_kernel_addr_spaces_1.odg

course/images/tasks_and_kernel_addr_spaces_1.png

course/images/tasks_and_kernel_addr_spaces_2.odg

course/images/tasks_and_kernel_addr_spaces_2.png

labs/lab4-tasks_syscalls/Makefile

...-tasks_syscalls/images/tasks_and_kernel_addr_spaces_2.png

labs/lab4-tasks_syscalls/lab4-tasks_syscalls.md

labs/lab4-tasks_syscalls/skeleton/yoctos/common/syscall_nb.h

labs/lab4-tasks_syscalls/skeleton/yoctos/kernel/mem/paging.c

...4-tasks_syscalls/skeleton/yoctos/kernel/syscall/syscall.c

...4-tasks_syscalls/skeleton/yoctos/kernel/syscall/syscall.h

...sks_syscalls/skeleton/yoctos/kernel/syscall/syscall_asm.s

labs/lab4-tasks_syscalls/skeleton/yoctos/kernel/task/task.c

labs/lab4-tasks_syscalls/skeleton/yoctos/kernel/task/task.h

...ab4-tasks_syscalls/skeleton/yoctos/kernel/task/task_asm.s

labs/lab4-tasks_syscalls/skeleton/yoctos/kernel/task/tss.h

labs/lab4-tasks_syscalls/skeleton/yoctos/user/Makefile

labs/lab4-tasks_syscalls/skeleton/yoctos/user/app.ld