diff --git a/src/PersonObjects/IPlayer.ts b/src/PersonObjects/IPlayer.ts
index 0be00f708..76894ed75 100644
--- a/src/PersonObjects/IPlayer.ts
+++ b/src/PersonObjects/IPlayer.ts
@@ -43,6 +43,7 @@ export interface IPlayer {
     homeComputer: string;
     hp: number;
     jobs: IMap<string>;
+    init: () => void;
     isWorking: boolean;
     karma: number;
     location: LocationName;
diff --git a/test/Terminal/determineAllPossibilitiesForTabCompletion.test.ts b/test/Terminal/determineAllPossibilitiesForTabCompletion.test.ts
new file mode 100644
index 000000000..2e60f52d8
--- /dev/null
+++ b/test/Terminal/determineAllPossibilitiesForTabCompletion.test.ts
@@ -0,0 +1,237 @@
+import { Player } from "../../src/Player";
+import { determineAllPossibilitiesForTabCompletion } from "../../src/Terminal/determineAllPossibilitiesForTabCompletion";
+import { Server } from "../../src/Server/Server";
+import {
+    AddToAllServers,
+    prestigeAllServers,
+} from "../../src/Server/AllServers";
+import { LocationName } from "../../src/Locations/data/LocationNames";
+import { Message } from "../../src/Message/Message";
+import { CodingContract } from "../../src/CodingContracts";
+
+describe("determineAllPossibilitiesForTabCompletion", function () {
+    let closeServer: Server;
+    let farServer: Server;
+
+    beforeEach(() => {
+        prestigeAllServers();
+        Player.init();
+
+        closeServer = new Server({
+            ip: "8.8.8.8",
+            hostname: "near",
+            hackDifficulty: 1,
+            moneyAvailable: 70000,
+            numOpenPortsRequired: 0,
+            organizationName: LocationName.NewTokyoNoodleBar,
+            requiredHackingSkill: 1,
+            serverGrowth: 3000,
+        });
+        farServer = new Server({
+            ip: "4.4.4.4",
+            hostname: "far",
+            hackDifficulty: 1,
+            moneyAvailable: 70000,
+            numOpenPortsRequired: 0,
+            organizationName: LocationName.Aevum,
+            requiredHackingSkill: 1,
+            serverGrowth: 3000,
+        });
+        Player.getHomeComputer().serversOnNetwork.push(closeServer.ip);
+        closeServer.serversOnNetwork.push(Player.getHomeComputer().ip);
+        closeServer.serversOnNetwork.push(farServer.ip);
+        farServer.serversOnNetwork.push(closeServer.ip);
+        AddToAllServers(closeServer);
+        AddToAllServers(farServer);
+    });
+
+    it("completes the connect command", () => {
+        const options = determineAllPossibilitiesForTabCompletion(
+            Player,
+            "connect ",
+            0,
+        );
+        expect(options).toEqual(["8.8.8.8", "near"]);
+    });
+
+    it("completes the buy command", () => {
+        const options = determineAllPossibilitiesForTabCompletion(
+            Player,
+            "buy ",
+            0,
+        );
+        expect(options).toEqual([
+            "BruteSSH.exe",
+            "FTPCrack.exe",
+            "relaySMTP.exe",
+            "HTTPWorm.exe",
+            "SQLInject.exe",
+            "DeepscanV1.exe",
+            "DeepscanV2.exe",
+            "AutoLink.exe",
+            "ServerProfiler.exe",
+        ]);
+    });
+
+    it("completes the scp command", () => {
+        Player.getHomeComputer().writeToTextFile("note.txt", "oh hai mark");
+        Player.getHomeComputer().messages.push("af.lit");
+        Player.getHomeComputer().writeToScriptFile(
+            "/www/script.js",
+            "oh hai mark",
+        );
+        const options1 = determineAllPossibilitiesForTabCompletion(
+            Player,
+            "scp ",
+            0,
+        );
+        expect(options1).toEqual([
+            "/www/script.js",
+            "af.lit",
+            "note.txt",
+            "www/",
+        ]);
+
+        const options2 = determineAllPossibilitiesForTabCompletion(
+            Player,
+            "scp note.txt ",
+            1,
+        );
+        expect(options2).toEqual([
+            Player.getHomeComputer().ip,
+            "home",
+            "8.8.8.8",
+            "near",
+            "4.4.4.4",
+            "far",
+        ]);
+    });
+
+    it("completes the kill, tail, mem, and check commands", () => {
+        Player.getHomeComputer().writeToScriptFile(
+            "/www/script.js",
+            "oh hai mark",
+        );
+        for (const command of ["kill", "tail", "mem", "check"]) {
+            expect(
+                determineAllPossibilitiesForTabCompletion(
+                    Player,
+                    `${command} `,
+                    0,
+                ),
+            ).toEqual(["/www/script.js", "www/"]);
+        }
+    });
+
+    it("completes the nano commands", () => {
+        Player.getHomeComputer().writeToScriptFile(
+            "/www/script.js",
+            "oh hai mark",
+        );
+        Player.getHomeComputer().writeToTextFile("note.txt", "oh hai mark");
+        expect(
+            determineAllPossibilitiesForTabCompletion(Player, "nano ", 0),
+        ).toEqual(["/www/script.js", "note.txt", ".fconf", "www/"]);
+    });
+
+    it("completes the rm command", () => {
+        Player.getHomeComputer().writeToTextFile("note.txt", "oh hai mark");
+        Player.getHomeComputer().writeToScriptFile(
+            "/www/script.js",
+            "oh hai mark",
+        );
+        Player.getHomeComputer().contracts.push(
+            new CodingContract("linklist.cct"),
+        );
+        Player.getHomeComputer().messages.push(new Message("asl.msg"));
+        Player.getHomeComputer().messages.push("af.lit");
+        expect(
+            determineAllPossibilitiesForTabCompletion(Player, "rm ", 0),
+        ).toEqual([
+            "/www/script.js",
+            "NUKE.exe",
+            "af.lit",
+            "note.txt",
+            "linklist.cct",
+            "www/",
+        ]);
+    });
+
+    it("completes the run command", () => {
+        Player.getHomeComputer().writeToScriptFile(
+            "/www/script.js",
+            "oh hai mark",
+        );
+        Player.getHomeComputer().contracts.push(
+            new CodingContract("linklist.cct"),
+        );
+        expect(
+            determineAllPossibilitiesForTabCompletion(Player, "run ", 0),
+        ).toEqual(["/www/script.js", "NUKE.exe", "linklist.cct", "www/"]);
+    });
+
+    it("completes the cat command", () => {
+        Player.getHomeComputer().writeToTextFile(
+            "/www/note.txt",
+            "oh hai mark",
+        );
+        Player.getHomeComputer().messages.push(new Message("asl.msg"));
+        Player.getHomeComputer().messages.push("af.lit");
+        expect(
+            determineAllPossibilitiesForTabCompletion(Player, "cat ", 0),
+        ).toEqual(["asl.msg", "af.lit", "/www/note.txt", "www/"]);
+    });
+
+    it("completes the download and mv commands", () => {
+        Player.getHomeComputer().writeToScriptFile(
+            "/www/script.js",
+            "oh hai mark",
+        );
+        Player.getHomeComputer().writeToTextFile("note.txt", "oh hai mark");
+        for (const command of ["download", "mv"]) {
+            expect(
+                determineAllPossibilitiesForTabCompletion(
+                    Player,
+                    `${command} `,
+                    0,
+                ),
+            ).toEqual(["/www/script.js", "note.txt", "www/"]);
+        }
+    });
+
+    it("completes the cd command", () => {
+        Player.getHomeComputer().writeToScriptFile(
+            "/www/script.js",
+            "oh hai mark",
+        );
+        expect(
+            determineAllPossibilitiesForTabCompletion(Player, "cd ", 0),
+        ).toEqual(["www/"]);
+    });
+
+    it("completes the ls and cd commands", () => {
+        Player.getHomeComputer().writeToScriptFile(
+            "/www/script.js",
+            "oh hai mark",
+        );
+        for (const command of ["ls", "cd"]) {
+            expect(
+                determineAllPossibilitiesForTabCompletion(
+                    Player,
+                    `${command} `,
+                    0,
+                ),
+            ).toEqual(["www/"]);
+        }
+    });
+
+    it("completes commands starting with ./", () => {
+        Player.getHomeComputer().writeToScriptFile(
+            "/www/script.js",
+            "oh hai mark",
+        );
+        expect(
+            determineAllPossibilitiesForTabCompletion(Player, "run ./", 0),
+        ).toEqual([".//www/script.js", "NUKE.exe", "./www/"]);
+    });
+});