diff --git a/src/uu/ls/src/ls.rs b/src/uu/ls/src/ls.rs
index 232250dcf3..a2912d63e2 100644
--- a/src/uu/ls/src/ls.rs
+++ b/src/uu/ls/src/ls.rs
@@ -35,7 +35,7 @@ use std::{
     time::Duration,
 };
 use term_grid::{Direction, Filling, Grid, GridOptions};
-use uucore::error::USimpleError;
+use uucore::error::{strip_errno, USimpleError};
 use uucore::format::human::{human_readable, SizeFormat};
 #[cfg(all(unix, not(any(target_os = "android", target_os = "macos"))))]
 use uucore::fsxattr::has_acl;
@@ -271,9 +271,9 @@ impl Display for LsError {
                         _ => {
                             write!(
                                 f,
-                                "unknown io error: '{:?}', '{:?}'",
+                                "cannot access '{}': {}",
                                 p.to_string_lossy(),
-                                e
+                                strip_errno(e),
                             )
                         }
                     },
diff --git a/tests/by-util/test_ls.rs b/tests/by-util/test_ls.rs
index 90254d229e..e5fd434853 100644
--- a/tests/by-util/test_ls.rs
+++ b/tests/by-util/test_ls.rs
@@ -5058,3 +5058,243 @@ fn test_suffix_case_sensitivity() {
         /* cSpell:enable */
     );
 }
+
+#[test]
+fn test_ls_trailing_slash() {
+    let scene = TestScenario::new(util_name!());
+    let at = &scene.fixtures;
+    at.mkdir("existing_dir");
+    at.touch("existing_file");
+
+    #[cfg(unix)]
+    {
+        scene
+            .ucmd()
+            .arg("non_existing")
+            .fails()
+            .stderr_contains("'non_existing': No such file or directory")
+            .code_is(2);
+
+        scene
+            .ucmd()
+            .arg("non_existing/")
+            .fails()
+            .stderr_contains("'non_existing/': No such file or directory")
+            .code_is(2);
+
+        scene
+            .ucmd()
+            .arg("existing_dir")
+            .succeeds()
+            .no_stderr()
+            .code_is(0);
+
+        scene
+            .ucmd()
+            .arg("existing_dir/")
+            .succeeds()
+            .no_stderr()
+            .code_is(0);
+
+        scene
+            .ucmd()
+            .arg("existing_file")
+            .succeeds()
+            .no_stderr()
+            .code_is(0);
+
+        scene
+            .ucmd()
+            .arg("existing_file/")
+            .fails()
+            .stderr_contains("'existing_file/': Not a directory")
+            .code_is(2);
+    }
+
+    #[cfg(windows)]
+    {
+        scene
+            .ucmd()
+            .arg("non_existing")
+            .fails()
+            .stderr_contains("'non_existing': No such file or directory")
+            .code_is(2);
+
+        scene
+            .ucmd()
+            .arg("non_existing/")
+            .fails()
+            .stderr_contains("'non_existing/': No such file or directory")
+            .code_is(2);
+
+        scene
+            .ucmd()
+            .arg("non_existing\\")
+            .fails()
+            .stderr_contains("'non_existing\\': No such file or directory")
+            .code_is(2);
+
+        scene
+            .ucmd()
+            .arg("existing_dir")
+            .succeeds()
+            .no_stderr()
+            .code_is(0);
+
+        scene
+            .ucmd()
+            .arg("existing_dir/")
+            .succeeds()
+            .no_stderr()
+            .code_is(0);
+
+        scene
+            .ucmd()
+            .arg("existing_dir\\")
+            .succeeds()
+            .no_stderr()
+            .code_is(0);
+
+        scene
+            .ucmd()
+            .arg("existing_file")
+            .succeeds()
+            .no_stderr()
+            .code_is(0);
+
+        scene.ucmd().arg("existing_file/").fails().stderr_contains(
+            "'existing_file/': The filename, directory name, or volume label syntax is incorrect",
+        ).code_is(2);
+
+        scene.ucmd().arg("existing_file\\").fails().stderr_contains(
+            "'existing_file\\': The filename, directory name, or volume label syntax is incorrect",
+        ).code_is(2);
+    }
+}
+
+#[test]
+fn test_ls_long_file_name() {
+    let scene = TestScenario::new(util_name!());
+    let long_file_name = "long_file_name_long_file_name_long_file_name_long_file_name_long_file_name_long_file_name_long_file_name_long_file_name_long_file_name_long_file_name_long_file_name_long_file_name_long_file_name_long_file_name_long_file_name_long_file_name_long_file_name_long_file_name_long_file_name_long_file_name";
+
+    #[cfg(unix)]
+    {
+        scene
+            .ucmd()
+            .arg(long_file_name)
+            .fails()
+            .stderr_contains(format!("'{}': File name too long", long_file_name))
+            .code_is(2);
+    }
+
+    #[cfg(windows)]
+    {
+        scene
+            .ucmd()
+            .arg(long_file_name)
+            .fails()
+            .stderr_contains(format!(
+                "'{}': The filename, directory name, or volume label syntax is incorrect",
+                long_file_name
+            ))
+            .code_is(2);
+    }
+}
+
+#[cfg(windows)]
+#[test]
+fn test_ls_invalid_file_name() {
+    let scene = TestScenario::new(util_name!());
+    let at = &scene.fixtures;
+    at.touch("existing_file");
+
+    scene
+        .ucmd()
+        .arg("existing_file*")
+        .succeeds()
+        .no_stderr()
+        .code_is(0);
+
+    scene
+        .ucmd()
+        .arg("non_existing*")
+        .fails()
+        .stderr_contains(
+            "'non_existing*': The filename, directory name, or volume label syntax is incorrect",
+        )
+        .code_is(2);
+
+    scene
+        .ucmd()
+        .arg("non_existing?")
+        .fails()
+        .stderr_contains(
+            "'non_existing?': The filename, directory name, or volume label syntax is incorrect",
+        )
+        .code_is(2);
+
+    scene
+        .ucmd()
+        .arg("non_existing<")
+        .fails()
+        .stderr_contains(
+            "'non_existing<': The filename, directory name, or volume label syntax is incorrect",
+        )
+        .code_is(2);
+
+    scene
+        .ucmd()
+        .arg("non_existing>")
+        .fails()
+        .stderr_contains(
+            "'non_existing>': The filename, directory name, or volume label syntax is incorrect",
+        )
+        .code_is(2);
+
+    scene
+        .ucmd()
+        .arg("non_existing:")
+        .fails()
+        .stderr_contains(
+            "'non_existing:': The filename, directory name, or volume label syntax is incorrect",
+        )
+        .code_is(2);
+
+    scene
+        .ucmd()
+        .arg("non_existing|")
+        .fails()
+        .stderr_contains(
+            "'non_existing|': The filename, directory name, or volume label syntax is incorrect",
+        )
+        .code_is(2);
+
+    scene
+        .ucmd()
+        .arg("non_existing\n")
+        .fails()
+        .stderr_contains(
+            "'non_existing\n': The filename, directory name, or volume label syntax is incorrect",
+        )
+        .code_is(2);
+}
+
+#[cfg(windows)]
+#[test]
+fn test_ls_reserved_file_name() {
+    let scene = TestScenario::new(util_name!());
+
+    scene
+        .ucmd()
+        .arg("CON")
+        .fails()
+        .stderr_contains("'CON': The parameter is incorrect.")
+        .code_is(2);
+
+    scene
+        .ucmd()
+        .arg("NUL")
+        .fails()
+        .stderr_contains("'NUL': Incorrect function.")
+        .code_is(2);
+}