diff --git a/Cargo.lock b/Cargo.lock
index 2b9f61f1bb..caae5577c5 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -3,11 +3,6 @@ name = "ansi_term"
 version = "0.10.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 
-[[package]]
-name = "arg_parser"
-version = "0.1.0"
-source = "git+https://github.com/redox-os/arg-parser.git#7503531821b0c111f9fac77a5d2536ea221105fe"
-
 [[package]]
 name = "argon2rs"
 version = "0.2.5"
@@ -270,7 +265,6 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 name = "userutils"
 version = "0.1.0"
 dependencies = [
- "arg_parser 0.1.0 (git+https://github.com/redox-os/arg-parser.git)",
  "clap 2.29.4 (registry+https://github.com/rust-lang/crates.io-index)",
  "extra 0.1.0 (git+https://github.com/redox-os/libextra.git)",
  "liner 0.1.5 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -306,7 +300,6 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 
 [metadata]
 "checksum ansi_term 0.10.2 (registry+https://github.com/rust-lang/crates.io-index)" = "6b3568b48b7cefa6b8ce125f9bb4989e52fbcc29ebea88df04cc7c5f12f70455"
-"checksum arg_parser 0.1.0 (git+https://github.com/redox-os/arg-parser.git)" = "<none>"
 "checksum argon2rs 0.2.5 (registry+https://github.com/rust-lang/crates.io-index)" = "3f67b0b6a86dae6e67ff4ca2b6201396074996379fba2b92ff649126f37cb392"
 "checksum arrayvec 0.4.7 (registry+https://github.com/rust-lang/crates.io-index)" = "a1e964f9e24d588183fcb43503abda40d288c8657dfc27311516ce2f05675aef"
 "checksum atty 0.2.6 (registry+https://github.com/rust-lang/crates.io-index)" = "8352656fd42c30a0c3c89d26dea01e3b77c0ab2af18230835c15e2e13cd51859"
diff --git a/Cargo.toml b/Cargo.toml
index 6f91776677..38328f5b5f 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -50,12 +50,7 @@ path = "src/bin/userdel.rs"
 name = "usermod"
 path = "src/bin/usermod.rs"
 
-[[bin]]
-name = "whoami"
-path = "src/bin/whoami.rs"
-
 [dependencies]
-arg_parser = { git = "https://github.com/redox-os/arg-parser.git" }
 clap = "~2.29.4"
 extra = { git = "https://github.com/redox-os/libextra.git" }
 liner = "0.1"
diff --git a/README.md b/README.md
index 1e347deee0..e7ade1db59 100644
--- a/README.md
+++ b/README.md
@@ -17,5 +17,8 @@ inspiration by BSD systems. They are indeed small, by choice.
 - `su`: Allows users to substitute identity.
 - `sudo`: Enables users to execute a command as another user.
 - `useradd`: Add a user
+- `usermod`: Modify user information
+- `userdel`: Delete a user
 - `groupadd`: Add a user group
-- `whoami`: Display effective user ID.
+- `groupmod`: Modify group information
+- `groupdel`: Remove a user group
diff --git a/src/bin/id.rs b/src/bin/id.rs
index c2680cf7f5..39ba7c9c26 100644
--- a/src/bin/id.rs
+++ b/src/bin/id.rs
@@ -5,6 +5,7 @@ extern crate clap;
 extern crate extra;
 extern crate redox_users;
 
+use std::env::args;
 use std::process::exit;
 
 use extra::option::OptionalExt;
@@ -53,7 +54,7 @@ AUTHOR
 "#; /* @MANEND */
 
 pub fn main() {
-    let args = clap_app!(id =>
+    let app = clap_app!(id =>
         (author: "Jose Narvaez")
         (about: "Get user and group information about the current user")
         (@arg IGNORE: -a "Ignored for compatibility with other impls of id")
@@ -66,7 +67,12 @@ pub fn main() {
             (@arg NAME: -n --name requires[selector] "Display names of groups/users instead of ids (use with -g or -u)")
             (@arg REAL: -r --real requires[selector] "Display real id's instead of effective ids (use with -g and -u)")
         )
-    ).get_matches();
+    );
+    
+    let args = match &*args().nth(0).unwrap_or(String::new()) {
+        "whoami" => app.get_matches_from(["id", "-un"].iter()),
+        _ => app.get_matches()
+    };
 
     // Display the different group IDs (effective and real)
     // as white-space separated numbers, in no particular order.
@@ -78,19 +84,10 @@ pub fn main() {
         println!("{} {}", egid, gid);
         exit(0);
    }
-   
-   /*
-   // Check if people passed both -g -u which are mutually exclusive
-   if parser.found(&'u') && parser.found(&'g') {
-        let msg = "id: specify either -u or -g but not both\n";
-        print_msg(msg, &mut stdout, &mut stderr);
-        print_msg(HELP_INFO, &mut stdout, &mut stderr);
-        exit(1);
-   }*/
 
    // Display effective/real process user ID UNIX user name
    if args.is_present("USER") && args.is_present("NAME") {
-        // Did they pass -r? F so, we show the real
+        // Did they pass -r? If so, we show the real
         let uid = if args.is_present("REAL") {
             get_uid()
         } else {
diff --git a/src/bin/login.rs b/src/bin/login.rs
index 8708eab68c..c5a6d32664 100644
--- a/src/bin/login.rs
+++ b/src/bin/login.rs
@@ -1,6 +1,7 @@
 #![deny(warnings)]
 
-extern crate arg_parser;
+#[macro_use]
+extern crate clap;
 extern crate extra;
 extern crate liner;
 extern crate termion;
@@ -9,17 +10,14 @@ extern crate userutils;
 
 use std::fs::File;
 use std::io::{self, Write};
-use std::process::exit;
-use std::env;
 use std::str;
 
 use extra::option::OptionalExt;
-use arg_parser::ArgParser;
 use termion::input::TermRead;
 use redox_users::{AllUsers};
 use userutils::spawn_shell;
 
-const MAN_PAGE: &'static str = /* @MANSTART{login} */ r#"
+const _MAN_PAGE: &'static str = /* @MANSTART{login} */ r#"
 NAME
     login - log into the computer
 
@@ -31,9 +29,8 @@ DESCRIPTION
 
 OPTIONS
 
-    -h
-    --help
-        Display this help and exit.
+    -h --help
+        Display help info and exit.
 
 AUTHOR
     Written by Jeremy Soller, Jose Narvaez.
@@ -46,16 +43,10 @@ pub fn main() {
     let mut stdout = io::stdout();
     let mut stderr = io::stderr();
 
-    let mut parser = ArgParser::new(1)
-        .add_flag(&["h", "help"]);
-    parser.parse(env::args());
-
-    // Shows the help
-    if parser.found("help") {
-        stdout.write_all(MAN_PAGE.as_bytes()).try(&mut stderr);
-        stdout.flush().try(&mut stderr);
-        exit(0);
-    }
+    let _args = clap_app!(login =>
+        (author: "Jeremy Soller, Jose Narvaez")
+        (about: "Login as a user")
+    ).get_matches();
 
     if let Ok(mut issue) = File::open(ISSUE_FILE) {
         io::copy(&mut issue, &mut stdout).try(&mut stderr);
diff --git a/src/bin/sudo.rs b/src/bin/sudo.rs
index 200feee453..8022bf483c 100644
--- a/src/bin/sudo.rs
+++ b/src/bin/sudo.rs
@@ -1,6 +1,5 @@
 #![deny(warnings)]
 
-extern crate arg_parser;
 extern crate extra;
 extern crate syscall;
 extern crate termion;
@@ -11,13 +10,12 @@ use std::io::{self, Write};
 use std::os::unix::process::CommandExt;
 use std::process::{Command, exit};
 
-use arg_parser::ArgParser;
 use extra::option::OptionalExt;
 use termion::input::TermRead;
 use redox_users::{get_uid, AllUsers, AllGroups};
 
 const MAX_ATTEMPTS: u16 = 3;
-const MAN_PAGE: &'static str = /* @MANSTART{sudo} */ r#"
+const _MAN_PAGE: &'static str = /* @MANSTART{sudo} */ r#"
 NAME
     sudo - execute a command as another user
 
@@ -29,12 +27,6 @@ DESCRIPTION
     The sudo utility allows a permitted user to execute a command as the
     superuser or another user, as specified by the security policy.
 
-OPTIONS
-
-    -h
-    --help
-        Display this help and exit.
-
 EXIT STATUS
     Upon successful execution of a command, the exit status from sudo will
     be the exit status of the program that was executed. In case of error
@@ -50,17 +42,6 @@ pub fn main() {
     let stdout = io::stdout();
     let mut stdout = stdout.lock();
 
-    let mut parser = ArgParser::new(1)
-        .add_flag(&["h", "help"]);
-    parser.parse(env::args());
-
-    // Shows the help
-    if parser.found("help") {
-        let _ = stdout.write_all(MAN_PAGE.as_bytes());
-        let _ = stdout.flush();
-        exit(0);
-    }
-
     let mut args = env::args().skip(1);
     let cmd = args.next().unwrap_or_else(|| {
         eprintln!("sudo: no command provided");
diff --git a/src/bin/whoami.rs b/src/bin/whoami.rs
deleted file mode 100644
index c7b8bed3b2..0000000000
--- a/src/bin/whoami.rs
+++ /dev/null
@@ -1,58 +0,0 @@
-#![deny(warnings)]
-
-extern crate arg_parser;
-extern crate extra;
-extern crate redox_users;
-
-use std::io::{self, Write};
-use std::process::exit;
-use std::env;
-use arg_parser::ArgParser;
-use extra::option::OptionalExt;
-use redox_users::{get_euid, AllUsers};
-
-const MAN_PAGE: &'static str = /* @MANSTART{whoami} */ r#"
-NAME
-    whoami - display effective user id
-
-SYNOPSIS
-    whoami [ -h | --help ]
-
-DESCRIPTION
-    The whoami utility displays your effective user ID as a name.
-
-OPTIONS
-    -h
-    --help
-        Display this help and exit.
-
-EXIT STATUS
-    The whoami utility exits 0 on success, and >0 if an error occurs.
-
-AUTHOR
-    Written by Jose Narvaez.
-"#; /* @MANEND */
-
-fn main() {
-    let stdout = io::stdout();
-    let mut stdout = stdout.lock();
-    let mut stderr = io::stderr();
-
-    let mut parser = ArgParser::new(1)
-        .add_flag(&["h", "help"]);
-    parser.parse(env::args());
-
-    if parser.found("help") {
-        stdout.write_all(MAN_PAGE.as_bytes()).try(&mut stderr);
-        stdout.flush().try(&mut stderr);
-        exit(0);
-    }
-
-    let euid = get_euid().unwrap_or_exit(1);
-    
-    let users = AllUsers::new().unwrap_or_exit(1);
-    let user = users.get_by_id(euid).unwrap_or_exit(1);
-
-    println!("{}", user.user);
-    exit(0);
-}