diff --git a/coreutils/src/commands/dd.rs b/coreutils/src/commands/dd.rs
index c3da024..410b629 100644
--- a/coreutils/src/commands/dd.rs
+++ b/coreutils/src/commands/dd.rs
@@ -1,8 +1,8 @@
 use boxutils::commands::Command;
-use std::env;
 use std::collections::HashMap;
-use std::io::{self, Read, Write, BufReader};
+use std::env;
 use std::fs::File;
+use std::io::{self, BufReader, Read, Write};
 use std::time::Instant;
 
 pub struct Dd;
@@ -17,7 +17,7 @@ impl Command for Dd {
             if let Some((k, v)) = argument.split_once('=') {
                 arguments.insert(k.to_string().to_lowercase(), v.to_string());
             } // don't handle anything that does not follow dd's syntax.
-              // TODO: inform about malformed arguments
+            // TODO: inform about malformed arguments
         }
 
         if let Some(bs) = arguments.get("bs") {
@@ -25,7 +25,7 @@ impl Command for Dd {
             if v.parse::<u64>().is_ok() {
                 // assume the bs is specified in bytes,
                 // because the last char is a number
-            blocksize = bs.parse::<u64>().unwrap()
+                blocksize = bs.parse::<u64>().unwrap()
             } else {
                 match v {
                     "K" | "k" => blocksize = k.parse::<u64>().unwrap() * 1024,
@@ -36,7 +36,7 @@ impl Command for Dd {
                     "GB" => blocksize = k.parse::<u64>().unwrap() * 1000 * 1000 * 1000,
                     _ => {
                         eprintln!("Invalid blocksize specified.");
-                        return
+                        return;
                     }
                 }
             }
@@ -66,15 +66,10 @@ impl Command for Dd {
 
         println!(
             "{}+{} records in", // TODO: actually calculate records in
-            out_blocks,
-            out_remainder
+            out_blocks, out_remainder
         );
 
-        println!(
-            "{}+{} records out",
-            out_blocks,
-            out_remainder
-        );
+        println!("{}+{} records out", out_blocks, out_remainder);
 
         println!(
             "{} bytes ({}B) copied, {:.6} seconds, {:.2}KB/s",
@@ -82,7 +77,6 @@ impl Command for Dd {
             vecbuf.len(),
             duration,
             kb_per_sec
-
         )
     }
 }
diff --git a/coreutils/src/commands/nproc.rs b/coreutils/src/commands/nproc.rs
index eaf58f0..5519aed 100644
--- a/coreutils/src/commands/nproc.rs
+++ b/coreutils/src/commands/nproc.rs
@@ -1,7 +1,7 @@
-use boxutils::commands::Command;
 use boxutils::args::ArgParser;
-use std::env;
+use boxutils::commands::Command;
 use num_cpus::{get, get_physical};
+use std::env;
 
 pub struct Nproc;
 
@@ -17,7 +17,7 @@ impl Command for Nproc {
         let mut all = false;
         if args.get_flag("--help") {
             println!(
-"
+                "
 Usage: nproc [--all] [ignore=N]
 Prints the number of available CPUs to stdout.
 
@@ -25,7 +25,7 @@ Prints the number of available CPUs to stdout.
     --ignore=N, --ignore N  Ignore N CPUs
 "
             );
-            return
+            return;
         }
 
         if args.get_flag("--all") {
diff --git a/coreutils/src/lib.rs b/coreutils/src/lib.rs
index 6be336e..82b6da3 100644
--- a/coreutils/src/lib.rs
+++ b/coreutils/src/lib.rs
@@ -1 +1 @@
-pub mod commands;
\ No newline at end of file
+pub mod commands;
diff --git a/shell/src/ash.rs b/shell/src/ash.rs
index 89f6010..73ed7b4 100644
--- a/shell/src/ash.rs
+++ b/shell/src/ash.rs
@@ -1,8 +1,8 @@
 use boxutils::commands::Command;
 use std::env;
-use std::process::Command as stdCommand;
-use std::io::{self, Write, ErrorKind};
+use std::io::{self, ErrorKind, Write};
 use std::path::Path;
+use std::process::Command as stdCommand;
 
 pub struct Ash;
 
@@ -26,16 +26,14 @@ impl Command for Ash {
                     let new_path = arguments.next();
                     let new_path = Path::new(new_path.unwrap());
                     let _ = env::set_current_dir(&new_path).is_ok();
-                },
+                }
                 command => {
-                    let out = stdCommand::new(command)
-                        .args(arguments)
-                        .spawn();
+                    let out = stdCommand::new(command).args(arguments).spawn();
 
                     match out {
                         Ok(mut out) => {
-                           let _ = out.wait();
-                        },
+                            let _ = out.wait();
+                        }
                         Err(err) => match err.kind() {
                             ErrorKind::NotFound => {
                                 eprintln!("ash: {}: not found", command);
@@ -46,9 +44,9 @@ impl Command for Ash {
                             _ => {
                                 eprintln!("ash: uncaught error: {}", err);
                             }
-                        }
+                        },
                     }
-                },
+                }
             }
         }
     }