diff --git a/doc/syscalls.md b/doc/syscalls.md
index 59fa17e1e..2b641552b 100644
--- a/doc/syscalls.md
+++ b/doc/syscalls.md
@@ -105,3 +105,9 @@ pub fn alloc(size: usize, align: usize) -> *mut u8
 ```rust
 pub fn free(ptr: *mut u8, size: usize, align: usize)
 ```
+
+## KIND (0x12)
+
+```rust
+pub fn kind(handle: usize) -> isize
+```
diff --git a/src/api/io.rs b/src/api/io.rs
index f6ec8423a..44af028ea 100644
--- a/src/api/io.rs
+++ b/src/api/io.rs
@@ -1,4 +1,5 @@
 use crate::api::syscall;
+use crate::sys::fs::FileType;
 
 use alloc::string::{String, ToString};
 use alloc::vec;
@@ -66,3 +67,10 @@ pub fn stdout() -> Stdout {
 pub fn stderr() -> Stderr {
     Stderr::new()
 }
+
+pub fn is_redirected(handle: usize) -> bool {
+    match syscall::kind(handle) {
+        Some(FileType::File) => true,
+        _ => false,
+    }
+}
diff --git a/src/api/syscall.rs b/src/api/syscall.rs
index 2bdf0a2c1..667837117 100644
--- a/src/api/syscall.rs
+++ b/src/api/syscall.rs
@@ -1,9 +1,10 @@
 use crate::api::fs::IO;
 use crate::api::process::ExitCode;
-use crate::sys::fs::FileInfo;
+use crate::sys::fs::{FileInfo, FileType};
 use crate::sys::syscall::number::*;
 use crate::syscall;
 
+use core::convert::TryFrom;
 use smoltcp::wire::IpAddress;
 use smoltcp::wire::Ipv4Address;
 
@@ -39,6 +40,15 @@ pub fn info(path: &str) -> Option<FileInfo> {
     }
 }
 
+pub fn kind(handle: usize) -> Option<FileType> {
+    let res = unsafe { syscall!(KIND, handle) } as isize;
+    if res >= 0 {
+        FileType::try_from(res as usize).ok()
+    } else {
+        None
+    }
+}
+
 pub fn open(path: &str, flags: usize) -> Option<usize> {
     let ptr = path.as_ptr() as usize;
     let len = path.len();
diff --git a/src/sys/fs/dir_entry.rs b/src/sys/fs/dir_entry.rs
index 5f5197eb3..499a1dc67 100644
--- a/src/sys/fs/dir_entry.rs
+++ b/src/sys/fs/dir_entry.rs
@@ -180,13 +180,7 @@ impl FileInfo {
 
 impl From<&[u8]> for FileInfo {
     fn from(buf: &[u8]) -> Self {
-        let kind = match buf[0] {
-            // TODO: Add FileType::from(u8)
-            0 => FileType::Dir,
-            1 => FileType::File,
-            2 => FileType::Device,
-            _ => panic!(),
-        };
+        let kind = (buf[0] as usize).try_into().unwrap();
         let size = u32::from_be_bytes(buf[1..5].try_into().unwrap());
         let time = u64::from_be_bytes(buf[5..13].try_into().unwrap());
         let i = 14 + buf[13] as usize;
diff --git a/src/sys/fs/mod.rs b/src/sys/fs/mod.rs
index 992d9c6c9..53350f696 100644
--- a/src/sys/fs/mod.rs
+++ b/src/sys/fs/mod.rs
@@ -25,6 +25,7 @@ use dir_entry::DirEntry;
 use super_block::SuperBlock;
 
 use alloc::string::{String, ToString};
+use core::convert::TryFrom;
 
 pub const VERSION: u8 = 2;
 
@@ -102,6 +103,19 @@ pub enum FileType {
     Device = 2,
 }
 
+impl TryFrom<usize> for FileType {
+    type Error = ();
+
+    fn try_from(num: usize) -> Result<Self, Self::Error> {
+        match num {
+             0 => Ok(FileType::Dir),
+             1 => Ok(FileType::File),
+             2 => Ok(FileType::Device),
+             _ => Err(()),
+        }
+    }
+}
+
 #[derive(Debug, Clone)]
 pub enum Resource {
     Dir(Dir),
@@ -109,6 +123,16 @@ pub enum Resource {
     Device(Device),
 }
 
+impl Resource {
+    pub fn kind(&self) -> FileType {
+        match self {
+            Resource::Dir(_) => FileType::Dir,
+            Resource::File(_) => FileType::File,
+            Resource::Device(_) => FileType::Device,
+        }
+    }
+}
+
 impl FileIO for Resource {
     fn read(&mut self, buf: &mut [u8]) -> Result<usize, ()> {
         match self {
diff --git a/src/sys/syscall/mod.rs b/src/sys/syscall/mod.rs
index 1694aec8d..a7b7a2446 100644
--- a/src/sys/syscall/mod.rs
+++ b/src/sys/syscall/mod.rs
@@ -42,6 +42,10 @@ pub fn dispatcher(
             let info = unsafe { &mut *(arg3 as *mut FileInfo) };
             service::info(path, info) as usize
         }
+        number::KIND => {
+            let handle = arg1;
+            service::kind(handle) as usize
+        }
         number::OPEN => {
             let ptr = sys::process::ptr_from_addr(arg1 as u64);
             let len = arg2;
diff --git a/src/sys/syscall/number.rs b/src/sys/syscall/number.rs
index 9b0a80415..7b3623783 100644
--- a/src/sys/syscall/number.rs
+++ b/src/sys/syscall/number.rs
@@ -15,3 +15,4 @@ pub const LISTEN:  usize = 0xE;
 pub const ACCEPT:  usize = 0xF;
 pub const ALLOC:   usize = 0x10;
 pub const FREE:    usize = 0x11;
+pub const KIND:    usize = 0x12;
diff --git a/src/sys/syscall/service.rs b/src/sys/syscall/service.rs
index 508a7c079..b834eadf7 100644
--- a/src/sys/syscall/service.rs
+++ b/src/sys/syscall/service.rs
@@ -41,6 +41,14 @@ pub fn info(path: &str, info: &mut FileInfo) -> isize {
     }
 }
 
+pub fn kind(handle: usize) -> isize {
+    if let Some(file) = sys::process::handle(handle) {
+        file.kind() as isize
+    } else {
+        -1
+    }
+}
+
 pub fn open(path: &str, flags: usize) -> isize {
     let path = match sys::fs::canonicalize(path) {
         Ok(path) => path,
diff --git a/src/usr/hash.rs b/src/usr/hash.rs
index 1a689d311..7cd0a68f9 100644
--- a/src/usr/hash.rs
+++ b/src/usr/hash.rs
@@ -11,8 +11,9 @@ use sha2::{Digest, Sha256};
 
 #[derive(Copy, Clone)]
 struct Config {
-    show_full_hash: bool,
-    recursive_mode: bool,
+    colorized: bool,
+    full_hash: bool,
+    recursive: bool,
 }
 
 pub fn main(args: &[&str]) -> Result<(), ExitCode> {
@@ -20,9 +21,13 @@ pub fn main(args: &[&str]) -> Result<(), ExitCode> {
     let n = args.len();
     let mut paths = Vec::new();
     let mut conf = Config {
-        show_full_hash: false,
-        recursive_mode: false,
+        colorized: true,
+        full_hash: false,
+        recursive: false,
     };
+    if api::io::is_redirected(1) {
+        conf.colorized = false;
+    }
     while i < n {
         match args[i] {
             "-h" | "--help" => {
@@ -30,10 +35,13 @@ pub fn main(args: &[&str]) -> Result<(), ExitCode> {
                 return Ok(());
             }
             "-f" | "--full" => {
-                conf.show_full_hash = true;
+                conf.full_hash = true;
             }
             "-r" | "--recursive" => {
-                conf.recursive_mode = true;
+                conf.recursive = true;
+            }
+            "--color" => {
+                conf.colorized = true;
             }
             arg => {
                 if arg.starts_with('-') {
@@ -59,7 +67,9 @@ pub fn main(args: &[&str]) -> Result<(), ExitCode> {
 }
 
 fn print_hash(path: &str, conf: Config) -> Result<(), ExitCode> {
-    let n = if conf.show_full_hash { 32 } else { 16 };
+    let color = Style::color("fushia");
+    let reset = Style::reset();
+    let n = if conf.full_hash { 32 } else { 16 };
     if let Some(info) = syscall::info(path) {
         if info.is_file() {
             if let Ok(bytes) = api::fs::read_to_bytes(path) {
@@ -69,15 +79,17 @@ fn print_hash(path: &str, conf: Config) -> Result<(), ExitCode> {
                 let hex = res.iter().map(|byte|
                     format!("{:02X}", byte)
                 ).take(n).collect::<Vec<String>>().join("");
-                let pink = Style::color("fushia");
-                let reset = Style::reset();
-                println!("{}{}{} {}", pink, hex, reset, path);
+                if conf.colorized {
+                    println!("{}{}{} {}", color, hex, reset, path);
+                } else {
+                    println!("{} {}", hex, path);
+                }
                 Ok(())
             } else {
                 error!("Could not read '{}'", path);
                 Err(ExitCode::Failure)
             }
-        } else if conf.recursive_mode && info.is_dir() {
+        } else if conf.recursive && info.is_dir() {
             if let Ok(entries) = api::fs::read_dir(path) {
                 let mut fs: Vec<_> = entries.iter().map(|e| e.name()).collect();
                 fs.sort();
diff --git a/www/syscalls.html b/www/syscalls.html
index dc9305647..9397fdcf6 100644
--- a/www/syscalls.html
+++ b/www/syscalls.html
@@ -96,6 +96,11 @@ <h2>FREE (0x11)</h2>
 
     <pre><code class="rust">pub fn free(ptr: *mut u8, size: usize, align: usize)
 </code></pre>
+
+    <h2>KIND (0x12)</h2>
+
+    <pre><code class="rust">pub fn kind(handle: usize) -&gt; isize
+</code></pre>
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