diff --git a/Cargo.lock b/Cargo.lock
index 560dcee..8763d08 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -2,6 +2,329 @@
 # It is not intended for manual editing.
 version = 3
 
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+ "windows_x86_64_gnu",
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diff --git a/Cargo.toml b/Cargo.toml
index 4ea5e5f..ce2e31b 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -4,3 +4,5 @@ version = "0.1.0"
 edition = "2021"
 
 [dependencies]
+dir_rpc = { version = "0.1.0", path = "../dir_rpc" }
+vfs_rpc = { version = "0.1.0", path = "../vfs/vfs_rpc" }
diff --git a/src/main.rs b/src/main.rs
index 23e70c6..da5c2fd 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -1,8 +1,94 @@
-use std::io;
+use std::{
+    io::{self, Write},
+    os::mikros::syscalls,
+    path::Path,
+};
 
 fn main() {
-    for line in io::stdin().lines() {
-        let line = line.unwrap();
-        println!("Got line on PTS: {:?}", line);
+    let vfs_pid = loop {
+        if let Some(pid) = syscalls::try_get_registered(0) {
+            break pid;
+        }
+    };
+    let vfs_client = vfs_rpc::Client::new(vfs_pid);
+
+    let mut line = String::new();
+
+    let cwd = Path::new("/").to_owned();
+
+    loop {
+        print!(
+            "[root@mikros-dev {}]$ ",
+            cwd.components()
+                .last()
+                .unwrap()
+                .as_os_str()
+                .to_string_lossy()
+        );
+        io::stdout().lock().flush().unwrap();
+        line.clear();
+        io::stdin().read_line(&mut line).unwrap();
+        let line = line.trim();
+        if line.is_empty() {
+            continue;
+        }
+        let cmd = line.split(' ').collect::<Vec<_>>();
+        match cmd[0] {
+            "pwd" => println!("{}", cwd.to_string_lossy()),
+            "ls" => {
+                let mut path = if cmd.len() > 1 {
+                    Path::new(cmd[1]).to_owned()
+                } else {
+                    cwd.clone()
+                };
+                if path.is_relative() {
+                    let mut abs_path = cwd.clone();
+                    abs_path.push(path);
+                    path = abs_path;
+                }
+                let Ok((fs_pid, dir_fd)) = vfs_client.open_dir(&path) else {
+                    println!("psh: {}: failed to open", path.to_string_lossy());
+                    continue;
+                };
+                let fs_client = dir_rpc::Client::new(fs_pid);
+                while let Some(entry) = fs_client.next_entry(dir_fd).unwrap() {
+                    println!("{}", entry);
+                }
+            }
+            "cat" => {
+                if cmd.len() < 2 {
+                    println!("Usage: cat <file>");
+                    continue;
+                }
+                let mut path = Path::new(cmd[1]).to_owned();
+                if path.is_relative() {
+                    let mut abs_path = cwd.clone();
+                    abs_path.push(path);
+                    path = abs_path;
+                }
+                let Ok(contents) = std::fs::read(&path) else {
+                    println!("psh: {}: failed to read", path.to_string_lossy());
+                    continue;
+                };
+                io::stdout().lock().write_all(&contents).unwrap();
+                if let Some(&last_byte) = contents.last() {
+                    if last_byte != b'\n' {
+                        println!("%");
+                    }
+                }
+            }
+            "exit" => {
+                break;
+            }
+            "help" => {
+                println!("Commands:");
+                println!("pwd");
+                println!("ls");
+                println!("cat");
+                println!("exit");
+                println!("help");
+            }
+            _ => println!("psh: command not found: {}", cmd[0]),
+        }
     }
 }