diff --git a/src/cli.rs b/src/cli.rs
index dce097d..b769288 100644
--- a/src/cli.rs
+++ b/src/cli.rs
@@ -5,8 +5,9 @@ use clap::{Args, Parser, Subcommand};
     name = "ah",
     author = "Michał Czyż",
     version = "0.1.0",
-    about = "A declarative package manager for Arch Linux", 
-    long_about = "Arch Helper is a declarative package management tool for Arch Linux. It leverages paru or other package managers for seamless integration.")]
+    about = "A declarative package manager for Arch Linux",
+    long_about = "Arch Helper is a declarative package management tool for Arch Linux. It leverages paru or other package managers for seamless integration."
+)]
 pub struct Cli {
     #[command(subcommand)]
     pub command: Option<Commands>,
@@ -14,25 +15,25 @@ pub struct Cli {
 
 #[derive(Subcommand)]
 pub enum Commands {
-    #[command(about = "Install packages")]
+    #[command(alias = "i", about = "Install packages")]
     Install(PackageList),
 
-    #[command(about = "Upgrade packages")]
+    #[command(alias = "u", about = "Upgrade packages")]
     Upgrade {
         #[arg(help = "Don't prompt for confirmation", default_value_t = false)]
-        noconfirm: bool
+        noconfirm: bool,
     },
-    
-    #[command(about = "Synchronize packages")]
+
+    #[command(alias = "s", about = "Synchronize packages")]
     Sync {
         #[arg(help = "Don't prompt for confirmation", default_value_t = false)]
-        noconfirm: bool
+        noconfirm: bool,
     },
-    
-    #[command(about = "Remove packages")]
+
+    #[command(alias = "r", about = "Remove packages")]
     Remove(PackageList),
 
-    #[command(about = "Find packages")]
+    #[command(alias = "f", about = "Find packages")]
     Find(Query),
 }
 
@@ -46,4 +47,4 @@ pub struct PackageList {
 pub struct Query {
     #[arg(help = "Search term for finding packages")]
     pub query: Vec<String>,
-}
\ No newline at end of file
+}
diff --git a/src/file.rs b/src/file.rs
index e4c75e1..0a81c5d 100644
--- a/src/file.rs
+++ b/src/file.rs
@@ -1,6 +1,7 @@
 use std::{
-  fs::File,
-  io::{prelude::*, BufReader}, path::PathBuf,
+    fs::{File, OpenOptions},
+    io::{prelude::*, BufReader},
+    path::PathBuf,
 };
 
 // pub fn read_config(path: &str) -> Vec<String> {
@@ -12,12 +13,34 @@ use std::{
 // }
 
 pub fn read_packages(path: PathBuf) -> Vec<String> {
-  let file = File::open(path).expect("Failed to open file");
-  let buf = BufReader::new(file);
+    let file = File::open(path).expect("Failed to open file");
+    let buf = BufReader::new(file);
 
-  buf.lines().map(|l| l.expect("Failed to read line")).collect()
+    buf.lines()
+        .map(|l| l.expect("Failed to read line"))
+        .collect()
 }
 
-// pub fn write_packages(path: &str, content: &str) {
-//   todo!();
-// }
\ No newline at end of file
+pub fn append_package(path: PathBuf, package: &str) {
+    let mut file = OpenOptions::new()
+        .write(true)
+        .append(true)
+        .open(path)
+        .expect("Failed to open file");
+
+    if let Err(err) = writeln!(file, "{}", package) {
+        eprintln!("Couldn't write to file: {}", err);
+    }
+}
+
+pub fn write_packages(path: PathBuf, content: &str) {
+    let mut file = OpenOptions::new()
+        .write(true)
+        .truncate(true)
+        .open(path)
+        .expect("Failed to open file");
+
+    if let Err(err) = writeln!(file, "{}", content) {
+        eprintln!("Couldn't write to file: {}", err);
+    }
+}
diff --git a/src/main.rs b/src/main.rs
index 7fe59ad..5b3f822 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -3,8 +3,8 @@ use cli::{PackageList, Query};
 use colored::Colorize;
 
 mod cli;
-mod packages;
 mod file;
+mod packages;
 
 fn main() {
     let cli = cli::Cli::parse();
diff --git a/src/packages/find.rs b/src/packages/find.rs
index 4fc213b..9a2e758 100644
--- a/src/packages/find.rs
+++ b/src/packages/find.rs
@@ -4,21 +4,25 @@ use std::process::Command;
 const PACKAGE_MANAGER: &str = "paru";
 
 pub fn find(query: Vec<String>) -> Result<(), Box<dyn std::error::Error>> {
-  println!("{} {}", "::".bold().green(), "Looking for package...".bold());
+    println!(
+        "{} {}",
+        "::".bold().green(),
+        "Looking for package...".bold()
+    );
 
-  if query.is_empty() {
-    return Err("No query provided".into());
-  }
+    if query.is_empty() {
+        return Err("No query provided".into());
+    }
 
-  let output = Command::new(PACKAGE_MANAGER)
-      .arg("--color")
-      .arg("always")
-      .arg("-Ss")
-      .args(query)
-      .output()
-      .expect("Failed to execute command");
+    let output = Command::new(PACKAGE_MANAGER)
+        .arg("--color")
+        .arg("always")
+        .arg("-Ss")
+        .args(query)
+        .output()
+        .expect("Failed to execute command");
 
-  print!("{}", String::from_utf8_lossy(&output.stdout));
+    print!("{}", String::from_utf8_lossy(&output.stdout));
 
-  Ok(())
-}
\ No newline at end of file
+    Ok(())
+}
diff --git a/src/packages/install.rs b/src/packages/install.rs
index 9ca4d52..baaf9e5 100644
--- a/src/packages/install.rs
+++ b/src/packages/install.rs
@@ -1,6 +1,62 @@
+use crate::{file, packages::get_package_path};
 use colored::Colorize;
+use std::io::Write;
+use std::process::{Command, Stdio};
 
-pub fn install(_package: Vec<String>) -> Result<(), Box<dyn std::error::Error>> {
-  println!("{} {}", "::".bold().green(), "Installing packages...".bold());
-  todo!();
-}
\ No newline at end of file
+const PACKAGE_MANAGER: &str = "paru";
+
+pub fn install(new_packages: Vec<String>) -> Result<(), Box<dyn std::error::Error>> {
+    println!(
+        "{} {}",
+        "::".bold().green(),
+        "Installing packages...".bold()
+    );
+
+    let packages = file::read_packages(get_package_path());
+
+    let packages = packages
+        .into_iter()
+        .filter(|p| !p.contains("#") && !p.is_empty())
+        .collect::<Vec<String>>();
+
+    let mut child = Command::new(PACKAGE_MANAGER)
+        .arg("--color")
+        .arg("always")
+        .arg("-S")
+        .arg("--needed")
+        // .arg(noconfirm)
+        .arg("-")
+        .stdin(Stdio::piped())
+        .stdout(Stdio::inherit())
+        .stderr(Stdio::inherit())
+        .spawn()
+        .expect("Failed to execute command");
+
+    if let Some(mut stdin) = child.stdin.take() {
+        for new_package in new_packages.clone() {
+            writeln!(stdin, "{}", new_package).unwrap();
+        }
+    }
+
+    let status = child.wait().expect("Failed to wait on child");
+
+    if !status.success() {
+        return Err("Failed to install packages".into());
+    }
+
+    println!("{} {}", "::".bold().green(), "Packages installed".bold());
+
+    println!(
+        "{} {}",
+        "::".bold().blue(),
+        "Updating package index...".bold()
+    );
+
+    for new_package in new_packages {
+        if !packages.contains(&new_package) {
+            file::append_package(get_package_path(), &new_package);
+        }
+    }
+
+    Ok(())
+}
diff --git a/src/packages/mod.rs b/src/packages/mod.rs
index af0344a..feed7bc 100644
--- a/src/packages/mod.rs
+++ b/src/packages/mod.rs
@@ -1,34 +1,38 @@
 use colored::Colorize;
-use std::path::PathBuf;
 use std::io::{self, Write};
+use std::path::PathBuf;
 
+pub mod find;
+pub mod install;
 pub mod rebuild;
+pub mod remove;
 pub mod sync;
 pub mod upgrade;
-pub mod install;
-pub mod remove;
-pub mod find;
 
+pub use find::find;
+pub use install::install;
 pub use rebuild::rebuild;
+pub use remove::remove;
 pub use sync::sync;
 pub use upgrade::upgrade;
-pub use install::install;
-pub use remove::remove;
-pub use find::find;
 
 fn get_package_path() -> PathBuf {
-  let home_dir = std::env::var("HOME").unwrap();
-  
-  PathBuf::from(home_dir).join("packages")
+    let home_dir = std::env::var("HOME").unwrap();
+
+    PathBuf::from(home_dir).join("packages")
 }
 
 fn ask_confirmation() -> Result<bool, io::Error> {
-  print!("{} {}", "::".bold().blue(), "Do you want to continue? [Y/n] ");
-  io::stdout().flush()?;
+    print!(
+        "{} {}",
+        "::".bold().blue(),
+        "Do you want to continue? [Y/n] "
+    );
+    io::stdout().flush()?;
 
-  let mut input = String::new();
-  io::stdin().read_line(&mut input)?;
+    let mut input = String::new();
+    io::stdin().read_line(&mut input)?;
 
-  let input = input.trim().to_lowercase();
-  Ok(input.is_empty() || input == "y")
-}
\ No newline at end of file
+    let input = input.trim().to_lowercase();
+    Ok(input.is_empty() || input == "y")
+}
diff --git a/src/packages/rebuild.rs b/src/packages/rebuild.rs
index e26f1fc..ffc53ff 100644
--- a/src/packages/rebuild.rs
+++ b/src/packages/rebuild.rs
@@ -1,6 +1,6 @@
 use colored::Colorize;
-use std::process::{Command, Stdio};
 use std::io::Write;
+use std::process::{Command, Stdio};
 
 use crate::file;
 use crate::packages::{ask_confirmation, get_package_path};
@@ -8,45 +8,58 @@ use crate::packages::{ask_confirmation, get_package_path};
 const PACKAGE_MANAGER: &str = "paru";
 
 pub fn rebuild(noconfirm: bool) -> Result<(), Box<dyn std::error::Error>> {
-  println!("{} {}", "::".bold().green(), "Upgrading & syncing packages...".bold());
+    println!(
+        "{} {}",
+        "::".bold().green(),
+        "Upgrading & syncing packages...".bold()
+    );
 
-  if !ask_confirmation()? {
-    return Err("Operation aborted".into());
-  }
+    if !ask_confirmation()? {
+        return Err("Operation aborted".into());
+    }
 
-  let packages = file::read_packages(get_package_path());
+    let packages = file::read_packages(get_package_path());
 
-  let packages = packages.into_iter()
-      .filter(|p| !p.contains("#") && !p.is_empty())
-      .collect::<Vec<String>>();
+    let packages = packages
+        .into_iter()
+        .filter(|p| !p.contains("#") && !p.is_empty())
+        .collect::<Vec<String>>();
 
-  let noconfirm = if noconfirm { "--noconfirm" } else { "--confirm" };
+    let noconfirm = if noconfirm {
+        "--noconfirm"
+    } else {
+        "--confirm"
+    };
 
-  let mut child = Command::new(PACKAGE_MANAGER)
-      .arg("--color")
-      .arg("always")
-      .arg("-Syu")
-      .arg("--needed")
-      .arg(noconfirm)
-      .arg("-")
-      .stdin(Stdio::piped())
-      .stdout(Stdio::inherit())
-      .stderr(Stdio::inherit())
-      .spawn()
-      .expect("Failed to execute command");
+    let mut child = Command::new(PACKAGE_MANAGER)
+        .arg("--color")
+        .arg("always")
+        .arg("-Syu")
+        .arg("--needed")
+        .arg(noconfirm)
+        .arg("-")
+        .stdin(Stdio::piped())
+        .stdout(Stdio::inherit())
+        .stderr(Stdio::inherit())
+        .spawn()
+        .expect("Failed to execute command");
 
-  if let Some(mut stdin) = child.stdin.take() {
-      for package in packages {
-        writeln!(stdin, "{}", package).unwrap();
-      }
-  }
+    if let Some(mut stdin) = child.stdin.take() {
+        for package in packages {
+            writeln!(stdin, "{}", package).unwrap();
+        }
+    }
 
-  let status = child.wait().expect("Failed to wait on child");
+    let status = child.wait().expect("Failed to wait on child");
 
-  if !status.success() {
-    return Err("Failed to upgrade & sync packages".into());
-  }
+    if !status.success() {
+        return Err("Failed to upgrade & sync packages".into());
+    }
 
-  println!("{} {}", "::".bold().green(), "Packages upgraded & synced".bold());
-  Ok(())
+    println!(
+        "{} {}",
+        "::".bold().green(),
+        "Packages upgraded & synced".bold()
+    );
+    Ok(())
 }
diff --git a/src/packages/remove.rs b/src/packages/remove.rs
index 47deffc..f716668 100644
--- a/src/packages/remove.rs
+++ b/src/packages/remove.rs
@@ -1,6 +1,58 @@
+use crate::{file, packages::get_package_path};
 use colored::Colorize;
+use std::io::Write;
+use std::process::{Command, Stdio};
 
-pub fn remove(_package: Vec<String>) -> Result<(), Box<dyn std::error::Error>> {
-  println!("{} {}", "::".bold().green(), "Removing packages...".bold());
-  todo!();
-}
\ No newline at end of file
+const PACKAGE_MANAGER: &str = "paru";
+
+pub fn remove(unwanted_packages: Vec<String>) -> Result<(), Box<dyn std::error::Error>> {
+    println!("{} {}", "::".bold().green(), "Removing packages...".bold());
+
+    let packages = file::read_packages(get_package_path());
+
+    let mut packages = packages
+        .into_iter()
+        .filter(|p| !p.contains("#") && !p.is_empty())
+        .collect::<Vec<String>>();
+
+    let mut child = Command::new(PACKAGE_MANAGER)
+        .arg("--color")
+        .arg("always")
+        .arg("-R")
+        // .arg("--needed")
+        // .arg(noconfirm)
+        .arg("-")
+        .stdin(Stdio::piped())
+        .stdout(Stdio::inherit())
+        .stderr(Stdio::inherit())
+        .spawn()
+        .expect("Failed to execute command");
+
+    if let Some(mut stdin) = child.stdin.take() {
+        for unwanted_package in unwanted_packages.clone() {
+            writeln!(stdin, "{}", unwanted_package).unwrap();
+        }
+    }
+
+    let status = child.wait().expect("Failed to wait on child");
+
+    if !status.success() {
+        return Err("Failed to remove packages".into());
+    }
+
+    println!("{} {}", "::".bold().green(), "Packages removed".bold());
+
+    println!(
+        "{} {}",
+        "::".bold().blue(),
+        "Updating package index...".bold()
+    );
+
+    for unwanted_package in unwanted_packages {
+        packages.retain(|p| *p != unwanted_package);
+    }
+
+    file::write_packages(get_package_path(), &packages.join("\n"));
+
+    Ok(())
+}
diff --git a/src/packages/sync.rs b/src/packages/sync.rs
index a8e0255..68f8ecf 100644
--- a/src/packages/sync.rs
+++ b/src/packages/sync.rs
@@ -1,48 +1,57 @@
 use colored::Colorize;
-use std::process::{Command, Stdio};
 use std::io::Write;
+use std::process::{Command, Stdio};
 
 use crate::file;
-use crate::packages::get_package_path;
+use crate::packages::{ask_confirmation, get_package_path};
 
 const PACKAGE_MANAGER: &str = "paru";
 
 pub fn sync(noconfirm: bool) -> Result<(), Box<dyn std::error::Error>> {
-  println!("{} {}", "::".bold().green(), "Syncing packages...".bold());
+    println!("{} {}", "::".bold().green(), "Syncing packages...".bold());
 
-  let packages = file::read_packages(get_package_path());
+    if !ask_confirmation()? {
+        return Err("Operation aborted".into());
+    }
 
-  let packages = packages.into_iter()
-      .filter(|p| !p.contains("#") && !p.is_empty())
-      .collect::<Vec<String>>();
+    let packages = file::read_packages(get_package_path());
 
-  let noconfirm = if noconfirm { "--noconfirm" } else { "--confirm" };
+    let packages = packages
+        .into_iter()
+        .filter(|p| !p.contains("#") && !p.is_empty())
+        .collect::<Vec<String>>();
 
-  let mut child = Command::new(PACKAGE_MANAGER)
-      .arg("--color")
-      .arg("always")
-      .arg("-S")
-      .arg("--needed")
-      .arg(noconfirm)
-      .arg("-")
-      .stdin(Stdio::piped())
-      .stdout(Stdio::inherit())
-      .stderr(Stdio::inherit())
-      .spawn()
-      .expect("Failed to execute command");
+    let noconfirm = if noconfirm {
+        "--noconfirm"
+    } else {
+        "--confirm"
+    };
 
-  if let Some(mut stdin) = child.stdin.take() {
-      for package in packages {
-        writeln!(stdin, "{}", package).unwrap();
-      }
-  }
+    let mut child = Command::new(PACKAGE_MANAGER)
+        .arg("--color")
+        .arg("always")
+        .arg("-S")
+        .arg("--needed")
+        .arg(noconfirm)
+        .arg("-")
+        .stdin(Stdio::piped())
+        .stdout(Stdio::inherit())
+        .stderr(Stdio::inherit())
+        .spawn()
+        .expect("Failed to execute command");
 
-  let status = child.wait().expect("Failed to wait on child");
+    if let Some(mut stdin) = child.stdin.take() {
+        for package in packages {
+            writeln!(stdin, "{}", package).unwrap();
+        }
+    }
 
-  if !status.success() {
-    return Err("Failed to sync packages".into());
-  }
+    let status = child.wait().expect("Failed to wait on child");
 
-  println!("{} {}", "::".bold().green(), "Packages synced".bold());
-  Ok(())
-}
\ No newline at end of file
+    if !status.success() {
+        return Err("Failed to sync packages".into());
+    }
+
+    println!("{} {}", "::".bold().green(), "Packages synced".bold());
+    Ok(())
+}
diff --git a/src/packages/upgrade.rs b/src/packages/upgrade.rs
index ff1d5c8..3241ab5 100644
--- a/src/packages/upgrade.rs
+++ b/src/packages/upgrade.rs
@@ -1,27 +1,37 @@
 use colored::Colorize;
 use std::process::Command;
 
+use crate::packages::ask_confirmation;
+
 const PACKAGE_MANAGER: &str = "paru";
 
 pub fn upgrade(noconfirm: bool) -> Result<(), Box<dyn std::error::Error>> {
-  println!("{} {}", "::".bold().green(), "Upgrading packages...".bold());
+    println!("{} {}", "::".bold().green(), "Upgrading packages...".bold());
 
-  let noconfirm = if noconfirm { "--noconfirm" } else { "--confirm" };
+    if !ask_confirmation()? {
+        return Err("Operation aborted".into());
+    }
 
-  let mut child = Command::new(PACKAGE_MANAGER)
-      .arg("--color")
-      .arg("always")
-      .arg("-Syu")
-      .arg(noconfirm)
-      .spawn()
-      .expect("Failed to execute command");
+    let noconfirm = if noconfirm {
+        "--noconfirm"
+    } else {
+        "--confirm"
+    };
 
-  let status = child.wait().expect("Failed to wait on child");
+    let mut child = Command::new(PACKAGE_MANAGER)
+        .arg("--color")
+        .arg("always")
+        .arg("-Syu")
+        .arg(noconfirm)
+        .spawn()
+        .expect("Failed to execute command");
 
-  if !status.success() {
-    return Err("Failed to upgrade packages".into());
-  }
+    let status = child.wait().expect("Failed to wait on child");
 
-  println!("{} {}", "::".bold().green(), "Packages upgraded".bold());
-  Ok(())
-}
\ No newline at end of file
+    if !status.success() {
+        return Err("Failed to upgrade packages".into());
+    }
+
+    println!("{} {}", "::".bold().green(), "Packages upgraded".bold());
+    Ok(())
+}