diff --git a/lib/sys/fs_linux.q b/lib/sys/fs_linux.q
new file mode 100644
index 0000000..dc1bd11
--- /dev/null
+++ b/lib/sys/fs_linux.q
@@ -0,0 +1,23 @@
+getcwd(buffer Pointer, length Int) -> Int {
+	return syscall(79, buffer, length)
+}
+
+chdir(path Pointer) -> Int {
+	return syscall(80, path)
+}
+
+rename(old Pointer, new Pointer) -> Int {
+	return syscall(82, old, new)
+}
+
+mkdir(path Pointer, mode Int) -> Int {
+	return syscall(83, path, mode)
+}
+
+rmdir(path Pointer) -> Int {
+	return syscall(84, path)
+}
+
+unlink(file Pointer) -> Int {
+	return syscall(87, file)
+}
\ No newline at end of file
diff --git a/lib/sys/io_linux.q b/lib/sys/io_linux.q
new file mode 100644
index 0000000..0bfae7e
--- /dev/null
+++ b/lib/sys/io_linux.q
@@ -0,0 +1,15 @@
+read(fd Int, address Pointer, length Int) -> Int {
+	return syscall(0, fd, address, length)
+}
+
+write(fd Int, address Pointer, length Int) -> Int {
+	return syscall(1, fd, address, length)
+}
+
+open(file Pointer, flags Int, mode Int) -> Int {
+	return syscall(2, file, flags, mode)
+}
+
+close(fd Int) -> Int {
+	return syscall(3, fd)
+}
\ No newline at end of file
diff --git a/lib/sys/io_mac.q b/lib/sys/io_mac.q
new file mode 100644
index 0000000..17b07aa
--- /dev/null
+++ b/lib/sys/io_mac.q
@@ -0,0 +1,15 @@
+read(fd Int, address Pointer, length Int) -> Int {
+	return syscall(0x2000003, fd, address, length)
+}
+
+write(fd Int, address Pointer, length Int) -> Int {
+	return syscall(0x2000004, fd, address, length)
+}
+
+open(file Pointer, flags Int, mode Int) -> Int {
+	return syscall(0x2000005, file, flags, mode)
+}
+
+close(fd Int) -> Int {
+	return syscall(0x2000006, fd)
+}
\ No newline at end of file
diff --git a/lib/sys/io_windows.q b/lib/sys/io_windows.q
new file mode 100644
index 0000000..0bf7b09
--- /dev/null
+++ b/lib/sys/io_windows.q
@@ -0,0 +1,3 @@
+write(fd Int, address Pointer, length Int) -> Int {
+	return kernel32.WriteFile(fd, address, length)
+}
\ No newline at end of file
diff --git a/lib/sys/mem_linux.q b/lib/sys/mem_linux.q
new file mode 100644
index 0000000..5d8bb7c
--- /dev/null
+++ b/lib/sys/mem_linux.q
@@ -0,0 +1,7 @@
+mmap(address Int, length Int, protection Int, flags Int) -> Pointer {
+	return syscall(9, address, length, protection, flags)
+}
+
+munmap(address Pointer, length Int) -> Int {
+	return syscall(11, address, length)
+}
\ No newline at end of file
diff --git a/lib/sys/mem_mac.q b/lib/sys/mem_mac.q
new file mode 100644
index 0000000..cbae713
--- /dev/null
+++ b/lib/sys/mem_mac.q
@@ -0,0 +1,7 @@
+mmap(address Int, length Int, protection Int, flags Int) -> Pointer {
+	return syscall(0x20000C5, address, length, protection, flags)
+}
+
+munmap(address Pointer, length Int) -> Int {
+	return syscall(0x2000049, address, length)
+}
\ No newline at end of file
diff --git a/lib/sys/sys_windows.q b/lib/sys/mem_windows.q
similarity index 54%
rename from lib/sys/sys_windows.q
rename to lib/sys/mem_windows.q
index 3c9c82f..c9ada81 100644
--- a/lib/sys/sys_windows.q
+++ b/lib/sys/mem_windows.q
@@ -1,17 +1,7 @@
-write(fd Int, address Pointer, length Int) -> Int {
-	// out numberOfBytesWritten
-	// out overlapped
-	return kernel32.WriteFile(fd, address, length)
-}
-
 mmap(address Int, length Int, protection Int, flags Int) -> Pointer {
 	return kernel32.VirtualAlloc(address, length, flags, protection)
 }
 
 munmap(address Pointer, length Int) -> Int {
 	return kernel32.VirtualFree(address, length, 0x4000)
-}
-
-exit(code Int) {
-	kernel32.ExitProcess(code)
 }
\ No newline at end of file
diff --git a/lib/sys/network_linux.q b/lib/sys/net_linux.q
similarity index 100%
rename from lib/sys/network_linux.q
rename to lib/sys/net_linux.q
diff --git a/lib/sys/network_mac.q b/lib/sys/net_mac.q
similarity index 100%
rename from lib/sys/network_mac.q
rename to lib/sys/net_mac.q
diff --git a/lib/sys/proc_linux.q b/lib/sys/proc_linux.q
new file mode 100644
index 0000000..2ef2ec7
--- /dev/null
+++ b/lib/sys/proc_linux.q
@@ -0,0 +1,19 @@
+clone(flags Int, stack Pointer) -> Int {
+	return syscall(56, flags, stack)
+}
+
+fork() -> Int {
+	return syscall(57)
+}
+
+execve(path Pointer, argv Pointer, envp Pointer) -> Int {
+	return syscall(59, path, argv, envp)
+}
+
+exit(status Int) {
+	syscall(60, status)
+}
+
+waitid(type Int, id Int, info Pointer, options Int) -> Int {
+	return syscall(247, type, id, info, options)
+}
\ No newline at end of file
diff --git a/lib/sys/proc_mac.q b/lib/sys/proc_mac.q
new file mode 100644
index 0000000..bf70e55
--- /dev/null
+++ b/lib/sys/proc_mac.q
@@ -0,0 +1,15 @@
+exit(status Int) {
+	syscall(0x2000001, status)
+}
+
+fork() -> Int {
+	return syscall(0x2000002)
+}
+
+execve(path Pointer, argv Pointer, envp Pointer) -> Int {
+	return syscall(0x200003B, path, argv, envp)
+}
+
+waitid(type Int, id Int, info Pointer, options Int) -> Int {
+	return syscall(0x20000AD, type, id, info, options)
+}
\ No newline at end of file
diff --git a/lib/sys/proc_windows.q b/lib/sys/proc_windows.q
new file mode 100644
index 0000000..7819bca
--- /dev/null
+++ b/lib/sys/proc_windows.q
@@ -0,0 +1,3 @@
+exit(code Int) {
+	kernel32.ExitProcess(code)
+}
\ No newline at end of file
diff --git a/lib/sys/sys_linux.q b/lib/sys/sys_linux.q
deleted file mode 100644
index 36fad2c..0000000
--- a/lib/sys/sys_linux.q
+++ /dev/null
@@ -1,71 +0,0 @@
-read(fd Int, address Pointer, length Int) -> Int {
-	return syscall(0, fd, address, length)
-}
-
-write(fd Int, address Pointer, length Int) -> Int {
-	return syscall(1, fd, address, length)
-}
-
-open(file Pointer, flags Int, mode Int) -> Int {
-	return syscall(2, file, flags, mode)
-}
-
-close(fd Int) -> Int {
-	return syscall(3, fd)
-}
-
-mmap(address Int, length Int, protection Int, flags Int) -> Pointer {
-	return syscall(9, address, length, protection, flags)
-}
-
-munmap(address Pointer, length Int) -> Int {
-	return syscall(11, address, length)
-}
-
-nanosleep(duration Pointer) -> Int {
-	return syscall(35, duration, 0)
-}
-
-clone(flags Int, stack Pointer) -> Int {
-	return syscall(56, flags, stack)
-}
-
-fork() -> Int {
-	return syscall(57)
-}
-
-execve(path Pointer, argv Pointer, envp Pointer) -> Int {
-	return syscall(59, path, argv, envp)
-}
-
-exit(status Int) {
-	syscall(60, status)
-}
-
-getcwd(buffer Pointer, length Int) -> Int {
-	return syscall(79, buffer, length)
-}
-
-chdir(path Pointer) -> Int {
-	return syscall(80, path)
-}
-
-rename(old Pointer, new Pointer) -> Int {
-	return syscall(82, old, new)
-}
-
-mkdir(path Pointer, mode Int) -> Int {
-	return syscall(83, path, mode)
-}
-
-rmdir(path Pointer) -> Int {
-	return syscall(84, path)
-}
-
-unlink(file Pointer) -> Int {
-	return syscall(87, file)
-}
-
-waitid(type Int, id Int, info Pointer, options Int) -> Int {
-	return syscall(247, type, id, info, options)
-}
diff --git a/lib/sys/sys_mac.q b/lib/sys/sys_mac.q
deleted file mode 100644
index 24fd36d..0000000
--- a/lib/sys/sys_mac.q
+++ /dev/null
@@ -1,39 +0,0 @@
-exit(status Int) {
-	syscall(0x2000001, status)
-}
-
-fork() -> Int {
-	return syscall(0x2000002)
-}
-
-read(fd Int, address Pointer, length Int) -> Int {
-	return syscall(0x2000003, fd, address, length)
-}
-
-write(fd Int, address Pointer, length Int) -> Int {
-	return syscall(0x2000004, fd, address, length)
-}
-
-open(file Pointer, flags Int, mode Int) -> Int {
-	return syscall(0x2000005, file, flags, mode)
-}
-
-close(fd Int) -> Int {
-	return syscall(0x2000006, fd)
-}
-
-mmap(address Int, length Int, protection Int, flags Int) -> Pointer {
-	return syscall(0x20000C5, address, length, protection, flags)
-}
-
-munmap(address Pointer, length Int) -> Int {
-	return syscall(0x2000049, address, length)
-}
-
-execve(path Pointer, argv Pointer, envp Pointer) -> Int {
-	return syscall(0x200003B, path, argv, envp)
-}
-
-waitid(type Int, id Int, info Pointer, options Int) -> Int {
-	return syscall(0x20000AD, type, id, info, options)
-}
\ No newline at end of file
diff --git a/lib/sys/time_linux.q b/lib/sys/time_linux.q
new file mode 100644
index 0000000..6727476
--- /dev/null
+++ b/lib/sys/time_linux.q
@@ -0,0 +1,3 @@
+nanosleep(duration Pointer) -> Int {
+	return syscall(35, duration, 0)
+}
\ No newline at end of file