diff --git a/core/mem/virtual/doc.odin b/core/mem/virtual/doc.odin
index 6c6ce055f..249e22ee8 100644
--- a/core/mem/virtual/doc.odin
+++ b/core/mem/virtual/doc.odin
@@ -5,8 +5,8 @@ virtual.Arena usage
 
 Example:
 	// Source: https://github.com/odin-lang/examples/blob/master/arena_allocator/arena_allocator.odin
-	import "core:fmt"
-	import "core:os"
+	import    "core:fmt"
+	import os "core:os/os2"
 
 	// virtual package implements a multi-purpose arena allocator. If you are on a
 	// platform that does not support virtual memory, then there is also a similar
@@ -26,14 +26,14 @@ Example:
 		// See arena_init_buffer for an arena that does not use virtual memory,
 		// instead it relies on you feeding it a buffer.
 
-		f1, f1_ok := os.read_entire_file("file1.txt", arena_alloc)
-		ensure(f1_ok)
+		f1, f1_err := os.read_entire_file("file1.txt", arena_alloc)
+		ensure(f1_err == nil)
 
-		f2, f2_ok := os.read_entire_file("file2.txt", arena_alloc)
-		ensure(f2_ok)
+		f2, f2_err := os.read_entire_file("file2.txt", arena_alloc)
+		ensure(f2_err == nil)
 
-		f3, f3_ok := os.read_entire_file("file3.txt", arena_alloc)
-		ensure(f3_ok)
+		f3, f3_err := os.read_entire_file("file3.txt", arena_alloc)
+		ensure(f3_err == nil)
 
 		res := make([]string, 3, arena_alloc)
 		res[0] = string(f1)
diff --git a/core/odin/parser/parse_files.odin b/core/odin/parser/parse_files.odin
index d4e532ec7..5e7bee923 100644
--- a/core/odin/parser/parse_files.odin
+++ b/core/odin/parser/parse_files.odin
@@ -1,12 +1,12 @@
 package odin_parser
 
-import "core:odin/tokenizer"
-import "core:odin/ast"
-import "core:path/filepath"
-import "core:fmt"
-import "core:os"
-import "core:slice"
-import "core:strings"
+import    "core:odin/tokenizer"
+import    "core:odin/ast"
+import    "core:path/filepath"
+import    "core:fmt"
+import os "core:os/os2"
+import    "core:slice"
+import    "core:strings"
 
 collect_package :: proc(path: string) -> (pkg: ^ast.Package, success: bool) {
 	NO_POS :: tokenizer.Pos{}
@@ -28,14 +28,13 @@ collect_package :: proc(path: string) -> (pkg: ^ast.Package, success: bool) {
 	pkg.fullpath = pkg_path
 
 	for match in matches {
-		src: []byte
 		fullpath, ok := filepath.abs(match)
 		if !ok {
 			return
 		}
 
-		src, ok = os.read_entire_file(fullpath)
-		if !ok {
+		src, src_err := os.read_entire_file(fullpath, context.allocator)
+		if src_err != nil {
 			delete(fullpath)
 			return
 		}
diff --git a/core/path/filepath/match.odin b/core/path/filepath/match.odin
index 3eaa7c6fe..e474085ed 100644
--- a/core/path/filepath/match.odin
+++ b/core/path/filepath/match.odin
@@ -2,10 +2,10 @@
 #+build !js
 package filepath
 
-import "core:os"
-import "core:slice"
-import "core:strings"
-import "core:unicode/utf8"
+import os "core:os/os2"
+import    "core:slice"
+import    "core:strings"
+import    "core:unicode/utf8"
 
 Match_Error :: enum {
 	None,
@@ -286,28 +286,23 @@ _glob :: proc(dir, pattern: string, matches: ^[dynamic]string, allocator := cont
 	defer os.close(d)
 
 	{
-		file_info, ferr := os.fstat(d)
-		defer os.file_info_delete(file_info)
+		file_info, ferr := os.fstat(d, allocator)
+		defer os.file_info_delete(file_info, allocator)
 
 		if ferr != nil {
 			return
 		}
-		if !file_info.is_dir {
+		if file_info.type != .Directory {
 			return
 		}
 	}
 
 
-	fis, _ := os.read_dir(d, -1)
+	fis, _ := os.read_dir(d, -1, allocator)
 	slice.sort_by(fis, proc(a, b: os.File_Info) -> bool {
 		return a.name < b.name
 	})
-	defer {
-		for fi in fis {
-			os.file_info_delete(fi)
-		}
-		delete(fis)
-	}
+	defer os.file_info_slice_delete(fis, allocator)
 
 	for fi in fis {
 		n := fi.name
@@ -359,4 +354,4 @@ clean_glob_path_windows :: proc(path: string, temp_buf: []byte) -> (prefix_len:
 		vol_len = len(path) -1
 	}
 	return vol_len, path[:len(path)-1]
-}
+}
\ No newline at end of file
diff --git a/core/path/filepath/path_windows.odin b/core/path/filepath/path_windows.odin
index d7549a42c..862649532 100644
--- a/core/path/filepath/path_windows.odin
+++ b/core/path/filepath/path_windows.odin
@@ -1,9 +1,8 @@
 package filepath
 
-import "core:strings"
-import "base:runtime"
-import "core:os"
-import win32 "core:sys/windows"
+import       "core:strings"
+import       "base:runtime"
+import os    "core:os/os2"
 
 SEPARATOR :: '\\'
 SEPARATOR_STRING :: `\`
@@ -33,53 +32,12 @@ is_UNC :: proc(path: string) -> bool {
 }
 
 is_abs :: proc(path: string) -> bool {
-	if is_reserved_name(path) {
-		return true
-	}
-	if len(path) > 0 && is_slash(path[0]) {
-		return true
-	}
-	l := volume_name_len(path)
-	if l == 0 {
-		return false
-	}
-
-	path := path
-	path = path[l:]
-	if path == "" {
-		return false
-	}
-	return is_slash(path[0])
-}
-
-@(private)
-temp_full_path :: proc(name: string) -> (path: string, err: os.Error) {
-	ta := context.temp_allocator
-
-	name := name
-	if name == "" {
-		name = "."
-	}
-
-	p := win32.utf8_to_utf16(name, ta)
-	n := win32.GetFullPathNameW(cstring16(raw_data(p)), 0, nil, nil)
-	if n == 0 {
-		return "", os.get_last_error()
-	}
-
-	buf := make([]u16, n, ta)
-	n = win32.GetFullPathNameW(cstring16(raw_data(p)), u32(len(buf)), cstring16(raw_data(buf)), nil)
-	if n == 0 {
-		delete(buf)
-		return "", os.get_last_error()
-	}
-
-	return win32.utf16_to_utf8(buf[:n], ta)
+	return os.is_absolute_path(path)
 }
 
 abs :: proc(path: string, allocator := context.allocator) -> (string, bool) {
 	runtime.DEFAULT_TEMP_ALLOCATOR_TEMP_GUARD(ignore = allocator == context.temp_allocator)
-	full_path, err := temp_full_path(path)
+	full_path, err := os.get_absolute_path(path, context.temp_allocator)
 	if err != nil {
 		return "", false
 	}
diff --git a/core/path/filepath/walk.odin b/core/path/filepath/walk.odin
index 05d67daf0..845ba06a0 100644
--- a/core/path/filepath/walk.odin
+++ b/core/path/filepath/walk.odin
@@ -2,8 +2,8 @@
 #+build !js
 package filepath
 
-import "core:os"
-import "core:slice"
+import os "core:os/os2"
+import    "core:slice"
 
 // Walk_Proc is the type of the procedure called for each file or directory visited by 'walk'
 // The 'path' parameter contains the parameter to walk as a prefix (this is the same as info.fullpath except on 'root')
@@ -40,7 +40,7 @@ walk :: proc(root: string, walk_proc: Walk_Proc, user_data: rawptr) -> os.Error
 
 @(private)
 _walk :: proc(info: os.File_Info, walk_proc: Walk_Proc, user_data: rawptr) -> (err: os.Error, skip_dir: bool) {
-	if !info.is_dir {
+	if info.type != .Directory {
 		if info.fullpath == "" && info.name == "" {
 			// ignore empty things
 			return
@@ -62,7 +62,7 @@ _walk :: proc(info: os.File_Info, walk_proc: Walk_Proc, user_data: rawptr) -> (e
 	for fi in fis {
 		err, skip_dir = _walk(fi, walk_proc, user_data)
 		if err != nil || skip_dir {
-			if !fi.is_dir || !skip_dir {
+			if fi.type != .Directory || !skip_dir {
 				return
 			}
 		}