diff --git a/Cargo.toml b/Cargo.toml
index 0cd2f42..f58c745 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -26,6 +26,7 @@ tar = "0.4"
 tempfile = "3"
 thiserror = "2"
 toml = "1"
+itertools = "0.15"
 ureq = { version = "3", features = ["socks-proxy"] }
 url = { version = "2", features = ["serde"] }
 nix = { version = "0.31", features = ["fs"] }
diff --git a/cli/Cargo.toml b/cli/Cargo.toml
index 996e5e9..2dd2f64 100644
--- a/cli/Cargo.toml
+++ b/cli/Cargo.toml
@@ -11,6 +11,8 @@ path = "src/main.rs"
 anyhow = "1"
 clap = { version = "4", features = ["derive"] }
 console = "0.16"
+nix = { version = "0.31", features = ["sched"] }
+itertools = "0.15"
 packie = { path = "../" }
 rust-i18n = "4"
 indicatif = "0.18"
diff --git a/cli/src/common.rs b/cli/src/common.rs
index 3c6cb3a..0592d43 100644
--- a/cli/src/common.rs
+++ b/cli/src/common.rs
@@ -14,11 +14,11 @@ pub fn yesno(prompt: &str) -> bool {
 }
 
 pub fn print_list(indent: u32, list: impl Iterator<Item = impl AsRef<str>>) {
-    let (_, column) = Term::stdout().size();
+    let (row, _) = Term::stdout().size();
     let mut line_used: usize = 0;
     for i in list {
         let mut i = i.as_ref().to_string();
-        if line_used >= column as _ {
+        if line_used >= row as _ {
             line_used = 0;
             println!();
         }
diff --git a/cli/src/info.rs b/cli/src/info.rs
index e75f7aa..673a03f 100644
--- a/cli/src/info.rs
+++ b/cli/src/info.rs
@@ -1,8 +1,8 @@
+use crate::common::format_size;
 use anyhow::anyhow;
 use clap::Parser;
 use packie::{PackieBuilder, package::PkgSpec};
-
-use crate::common::format_size;
+use rust_i18n::t;
 
 #[derive(Debug, Parser)]
 pub struct Cli {
@@ -13,10 +13,10 @@ pub fn main(cli: Cli) -> anyhow::Result<()> {
     let mut packie = PackieBuilder::new().readonly(true).build()?;
     let mut found = packie.search_installation(&cli.pkgspec)?;
     if found.len() == 0 {
-        return Err(anyhow!("no package found"));
+        return Err(anyhow!("{}", t!("info.no_package_found")));
     }
     if found.len() != 1 {
-        return Err(anyhow!("not unique package spec"));
+        return Err(anyhow!("{}", t!("info.pkgspec_not_unique")));
     }
     let found = found.remove(0);
 
diff --git a/cli/src/install.rs b/cli/src/install.rs
index 37af533..77cde88 100644
--- a/cli/src/install.rs
+++ b/cli/src/install.rs
@@ -1,6 +1,7 @@
 use crate::common::{format_size, print_list, yesno};
 use clap::Parser;
 use indicatif::ProgressBar;
+use itertools::Itertools;
 use packie::{
     PackieBuilder, install::InstallOptions, package::PkgSpec, repo::DownloadPackageEvent,
 };
@@ -30,7 +31,10 @@ pub fn main(cli: Cli) -> anyhow::Result<()> {
     for i in cli.items {
         packages.append(&mut packie.calculate_depgraph(i.parse::<PkgSpec>()?)?);
     }
-    packages.dedup_by_key(|x| x.repo_pkg.pkg_manifest.pkg_ident());
+    let packages: Vec<_> = packages
+        .into_iter()
+        .unique_by(|x| x.repo_pkg.pkg_manifest.pkg_ident())
+        .collect();
 
     if packages.is_empty() {
         eprintln!("No packages to install.");
diff --git a/cli/src/main.rs b/cli/src/main.rs
index 95781cf..39c216c 100644
--- a/cli/src/main.rs
+++ b/cli/src/main.rs
@@ -74,7 +74,16 @@ fn main() {
     }
 }
 
-#[cfg(target_family = "unix")]
+#[cfg(target_os = "linux")]
+fn chroot(new_root: &Path) -> std::io::Result<()> {
+    nix::sched::unshare(nix::sched::CloneFlags::CLONE_NEWUSER)?;
+    nix::sched::unshare(nix::sched::CloneFlags::CLONE_NEWNS)?;
+    std::os::unix::fs::chroot(new_root)?;
+    std::env::set_current_dir("/")?;
+    Ok(())
+}
+
+#[cfg(all(target_family = "unix", not(target_os = "linux")))]
 fn chroot(new_root: &Path) -> std::io::Result<()> {
     std::os::unix::fs::chroot(new_root)?;
     std::env::set_current_dir("/")?;
diff --git a/cli/src/remove.rs b/cli/src/remove.rs
index e493af9..ccc47ec 100644
--- a/cli/src/remove.rs
+++ b/cli/src/remove.rs
@@ -1,18 +1,45 @@
+use crate::common::{print_list, yesno};
 use anyhow::anyhow;
 use clap::Parser;
 use packie::{PackieBuilder, package::PkgSpec};
+use rust_i18n::t;
 
 #[derive(Debug, Parser)]
 pub struct Cli {
-    pkgspecs: Vec<PkgSpec>,
+    #[arg(short, long)]
+    yes: bool,
+
+    items: Vec<PkgSpec>,
 }
 
 pub fn main(cli: Cli) -> anyhow::Result<()> {
     let mut packie = PackieBuilder::new().build()?;
-    for pkgspec in cli.pkgspecs {
+    let mut packages = Vec::with_capacity(cli.items.len());
+    for pkgspec in cli.items {
+        let mut found = packie.search_installation(&pkgspec)?;
+        if found.is_empty() {
+            return Err(anyhow!("{}", t!("remove.package_not_found")));
+        }
+        if found.len() != 1 {
+            return Err(anyhow!("{}", t!("remove.pkgspec_not_unique")));
+        }
+        packages.push(found.remove(0));
+    }
+    println!("{}", t!("remove.prompt_to_remove"));
+    print_list(4, packages.iter().map(|x| x.install_pkgspec.to_string()));
+    if cli.yes {
+        println!("y");
+    } else if !yesno(&t!("remove.confirm_removal")) {
+        println!("{}", t!("remove.aborting"));
+    }
+    for i in packages {
+        println!(
+            "{}",
+            t!("remove.action_hint", package = i.pkg_manifest.pkg_ident())
+        );
         packie
-            .remove(&pkgspec)
-            .map_err(|err| anyhow!("failed to remove {pkgspec}: {err}"))?;
+            .remove(&i.pkg_manifest.pkg_ident().into())
+            .map_err(|error| anyhow!("{}", t!("remove.action_failure", error = error)))?;
     }
     Ok(())
 }
diff --git a/locales/packie-cli/main.yml b/locales/packie-cli/main.yml
index 1280a91..28b9080 100644
--- a/locales/packie-cli/main.yml
+++ b/locales/packie-cli/main.yml
@@ -17,3 +17,30 @@ install.confirm_installation:
 install.aborting:
     en: "Aborting."
     zh-CN: "中止。"
+info.no_package_found:
+    en: "The specified package was not found."
+    zh-CN: "找不到指定的包。"
+info.pkgspec_not_unique:
+    en: "The specified package spec was not unique."
+    zh-CN: "指定的包规范匹配了多个包。"
+remove.package_not_found:
+    en: "The specified package was not found."
+    zh-CN: "找不到指定的包。"
+remove.pkgspec_not_unique:
+    en: "The specified package spec was not unique."
+    zh-CN: "指定的包规范匹配了多个包。"
+remove.action_failure:
+    en: "Failed to remove the specified package: %{error}"
+    zh-CN: "无法移除指定的包：%{error}"
+remove.prompt_to_remove:
+    en: "The following packages are to be removed:"
+    zh-CN: "将要移除下面的包："
+remove.confirm_removal:
+    en: "Confirm to remove?"
+    zh-CN: "确认移除？"
+remove.aborting:
+    en: "Aborting."
+    zh-CN: "中止。"
+remove.action_hint:
+    en: "Removing package %{package} ..."
+    zh-CN: "正在移除包 %{package} ..."
diff --git a/src/install.rs b/src/install.rs
index 9759a90..06cab91 100644
--- a/src/install.rs
+++ b/src/install.rs
@@ -8,6 +8,7 @@ use std::path::Path;
 
 #[derive(Debug, Default, Clone)]
 pub struct InstallOptions {
+    /// Package spec to record for this installation.
     pub install_pkgspec: Option<PkgSpec>,
 }
 impl InstallOptions {
diff --git a/src/local.rs b/src/local.rs
index 8ba2152..346cd53 100644
--- a/src/local.rs
+++ b/src/local.rs
@@ -2,6 +2,7 @@ use crate::{
     package::{AbsPkgIdent, PkgIdent, PkgManifest, PkgSpec},
     version::VersionFilter,
 };
+use itertools::Itertools;
 use rusqlite::{OpenFlags, Row, params};
 use std::path::{Path, PathBuf};
 
@@ -27,8 +28,10 @@ impl super::Packie {
         for (_, provider) in abs {
             real.push(self.local_db.select_installation_by_ident(&provider)?);
         }
-        real.dedup_by_key(|x| x.pkg_manifest.pkg_ident());
-        Ok(real)
+        Ok(real
+            .into_iter()
+            .unique_by(|x| x.pkg_manifest.pkg_ident())
+            .collect())
     }
 }
 
diff --git a/src/repo/mod.rs b/src/repo/mod.rs
index d088bd5..7b4f00a 100644
--- a/src/repo/mod.rs
+++ b/src/repo/mod.rs
@@ -4,6 +4,7 @@ mod serve;
 #[doc(inline)]
 pub use download::DownloadError;
 
+use itertools::Itertools;
 use rustc_hash::FxHashMap;
 #[doc(inline)]
 pub use serve::RepoServeDir;
@@ -389,8 +390,9 @@ impl QuerySession {
                 all.push((name.into(), real));
             }
         }
-        all.dedup_by_key(|(repo, pkg)| (repo.to_string(), pkg.pkg_manifest.pkg_ident()));
-        all
+        all.into_iter()
+            .unique_by(|(repo, pkg)| (repo.to_string(), pkg.pkg_manifest.pkg_ident()))
+            .collect()
     }
 }