1.1_copy
........\copy
........\copy.c
........\copy.c~
........\ss~
1.2_simul
.........\1
.........\1.c
.........\2
.........\2.c
.........\3
.........\3.c
.........\main
.........\main.c
2_syscall
.........\syscall.c
.........\test
.........\test.c
.........\test.c~