ItIsI

🐧

Intro to Cybersecurity

176 / 181 32 / 11934


Path Traversal 1

Time of First Successful Submission: 2024-04-17 18:05:39

Path Traversal 2

Time of First Successful Submission: 2025-02-18 19:57:45

CMDi 1

Time of First Successful Submission: 2025-02-18 20:28:00

CMDi 2

Time of First Successful Submission: 2025-02-18 20:38:25

CMDi 3

Time of First Successful Submission: 2025-02-18 20:43:02

CMDi 4

Time of First Successful Submission: 2024-04-17 18:08:01

CMDi 5

Time of First Successful Submission: 2025-02-18 20:53:54

CMDi 6

Time of First Successful Submission: 2025-02-18 21:06:12

Authentication Bypass 1

Time of First Successful Submission: 2024-04-17 18:09:52

Authentication Bypass 2

Time of First Successful Submission: 2025-02-18 21:17:44

SQLi 1

Time of First Successful Submission: 2025-02-18 21:25:10

SQLi 2

Time of First Successful Submission: 2024-04-17 18:13:58

SQLi 3

Time of First Successful Submission: 2024-04-17 18:18:19

SQLi 4

Time of First Successful Submission: 2024-04-17 18:27:23

SQLi 5

Time of First Successful Submission: 2025-02-22 16:40:39

XSS 1

Time of First Successful Submission: 2025-02-20 19:56:36

XSS 2

Time of First Successful Submission: 2025-02-20 20:01:44

XSS 3

Time of First Successful Submission: 2024-04-18 16:09:01

XSS 4

Time of First Successful Submission: 2024-04-18 16:22:43

XSS 5

Time of First Successful Submission: 2025-02-20 20:18:25

XSS 6

Time of First Successful Submission: 2025-02-20 20:55:33

XSS 7

Time of First Successful Submission: 2025-02-20 21:14:06

CSRF 1

Time of First Successful Submission: 2025-02-21 16:50:14

CSRF 2

Time of First Successful Submission: 2025-02-21 19:47:22

CSRF 3

Time of First Successful Submission: 2025-02-21 20:14:26

CSRF 4

Time of First Successful Submission: 2025-02-22 15:00:27

CSRF 5

Time of First Successful Submission: 2025-02-22 15:37:02

Connect

Time of First Successful Submission: 2024-04-20 13:36:01

Send

Time of First Successful Submission: 2025-02-22 16:51:36

Shutdown

Time of First Successful Submission: 2025-02-23 19:46:23

Listen

Time of First Successful Submission: 2024-04-20 13:37:50

Scan 1

Time of First Successful Submission: 2024-04-20 13:47:34

Scan 2

Time of First Successful Submission: 2025-02-23 20:15:29

Monitor 1

Time of First Successful Submission: 2025-02-25 20:09:35

Monitor 2

Time of First Successful Submission: 2025-02-25 20:14:38

Sniffing Cookies

Time of First Successful Submission: 2025-02-25 20:35:33

Network Configuration

Time of First Successful Submission: 2025-02-25 20:49:53

Firewall 1

Time of First Successful Submission: 2025-02-26 18:29:32

Firewall 2

Time of First Successful Submission: 2025-02-26 18:31:56

Firewall 3

Time of First Successful Submission: 2025-02-26 18:42:36

Denial of Service 1

Time of First Successful Submission: 2025-02-26 18:45:28

Denial of Service 2

Time of First Successful Submission: 2025-02-26 18:52:12

Denial of Service 3

Time of First Successful Submission: 2025-04-06 09:56:44

Ethernet

Time of First Successful Submission: 2025-03-16 19:17:59

IP

Time of First Successful Submission: 2025-03-16 19:22:08

TCP

Time of First Successful Submission: 2025-03-16 19:25:05

TCP Handshake

Time of First Successful Submission: 2025-03-16 19:32:15

UDP

Time of First Successful Submission: 2025-03-31 18:06:04

UDP 2

Time of First Successful Submission: 2025-03-31 18:23:18

UDP Spoofing 1

Time of First Successful Submission: 2025-03-31 18:50:34

UDP Spoofing 2

Time of First Successful Submission: 2025-03-31 19:06:24

UDP Spoofing 3

Time of First Successful Submission: 2025-03-31 19:25:56

UDP Spoofing 4

Time of First Successful Submission: 2025-03-31 19:38:39

ARP

Time of First Successful Submission: 2025-03-16 19:40:27

Intercept

Time of First Successful Submission: 2025-03-31 19:58:36

Man-in-the-Middle

Time of First Successful Submission: 2025-04-06 09:35:43

XOR

Time of First Successful Submission: 2025-02-26 19:20:24

XORing Hex

Time of First Successful Submission: 2025-02-26 19:31:13

XORing ASCII

Time of First Successful Submission: 2025-02-26 19:40:58

XORing ASCII Strings

Time of First Successful Submission: 2025-02-26 19:53:41

One-time Pad

Time of First Successful Submission: 2024-04-18 18:31:24

Many-time Pad

Time of First Successful Submission: 2024-04-18 18:36:16

AES

Time of First Successful Submission: 2024-04-18 18:40:19

AES-ECB-CPA

Time of First Successful Submission: 2025-02-26 21:41:35

AES-ECB-CPA-HTTP

Time of First Successful Submission: 2025-03-22 18:46:55

AES-ECB-CPA-HTTP (base64)

Time of First Successful Submission: 2025-02-27 21:13:48

AES-ECB-CPA-Suffix

Time of First Successful Submission: 2025-02-27 22:30:25

AES-ECB-CPA-Prefix

Time of First Successful Submission: 2025-02-28 16:48:56

AES-ECB-CPA-Prefix-2

Time of First Successful Submission: 2025-02-28 20:10:29

AES-ECB-CPA-Prefix-Miniboss

Time of First Successful Submission: 2025-03-01 12:09:31

AES-ECB-CPA-Prefix-Boss

Time of First Successful Submission: 2025-03-01 20:56:01

AES-CBC

Time of First Successful Submission: 2025-03-03 20:23:27

AES-CBC Tampering

Time of First Successful Submission: 2025-03-04 19:31:41

AES-CBC Resizing

Time of First Successful Submission: 2025-03-04 20:07:08

AES-CBC-POA-Partial-Block

Time of First Successful Submission: 2025-03-23 11:36:21

AES-CBC-POA-Full-Block

Time of First Successful Submission: 2025-03-23 11:49:05

AES-CBC-POA-Multi-Block

Time of First Successful Submission: 2025-03-06 21:52:00

AES-CBC-POA-Encrypt

Time of First Successful Submission: 2025-03-07 17:16:56

DHKE

Time of First Successful Submission: 2025-03-07 20:14:55

DHKE-to-AES

Time of First Successful Submission: 2025-03-08 09:04:04

RSA 1

Time of First Successful Submission: 2025-03-08 09:44:02

RSA 2

Time of First Successful Submission: 2025-03-08 10:00:39

RSA Signatures

Time of First Successful Submission: 2025-03-23 19:47:42

SHA 1

Time of First Successful Submission: 2025-03-11 17:52:06

SHA 2

Time of First Successful Submission: 2025-03-11 18:12:55

RSA 3

Time of First Successful Submission: 2025-03-10 20:01:07

RSA 4

Time of First Successful Submission: 2025-03-10 20:06:21

TLS 1

Time of First Successful Submission: 2025-03-11 18:54:44

TLS 2

Time of First Successful Submission: 2025-03-10 20:13:39

level1

Time of First Successful Submission: 2025-03-01 21:09:44

level2

Time of First Successful Submission: 2025-03-01 21:11:56

level3

Time of First Successful Submission: 2025-03-01 21:14:21

level4

Time of First Successful Submission: 2025-03-01 21:15:34

level5

Time of First Successful Submission: 2025-03-01 21:19:38

level6

Time of First Successful Submission: 2025-03-01 21:32:33

level7

Time of First Successful Submission: 2025-03-01 21:36:49

level8

Time of First Successful Submission: 2025-03-01 21:41:16

level9

Time of First Successful Submission: 2025-03-01 21:43:47

level10

Time of First Successful Submission: 2025-03-01 21:51:16

level11

Time of First Successful Submission: 2025-03-01 22:10:54

level12

Time of First Successful Submission: 2025-03-01 22:17:28

level13

Time of First Successful Submission: 2025-03-01 22:19:45

level14

Time of First Successful Submission: 2025-03-01 22:23:03

level15

Time of First Successful Submission: 2025-03-01 22:27:01

level16

Time of First Successful Submission: 2025-03-01 22:28:56

level17

Time of First Successful Submission: 2025-03-03 19:36:56

level18

Time of First Successful Submission: 2025-03-03 19:38:10

level19

Time of First Successful Submission: 2025-03-16 18:56:25

File Formats: Magic Numbers (Python)

Time of First Successful Submission: 2025-04-01 18:55:00

File Formats: Magic Numbers (C)

Time of First Successful Submission: 2025-04-01 18:58:39

File Formats: Magic Numbers (x86)

Time of First Successful Submission: 2025-03-06 19:34:29

Reading Endianness (Python)

Time of First Successful Submission: 2025-04-01 19:02:24

Reading Endianness (C)

Time of First Successful Submission: 2025-04-01 19:09:02

Reading Endianness (x86)

Time of First Successful Submission: 2025-03-11 19:11:08

Version Information (Python)

Time of First Successful Submission: 2025-04-01 19:22:37

Version Information (C)

Time of First Successful Submission: 2025-04-01 19:28:51

Version Information (x86)

Time of First Successful Submission: 2025-03-11 19:58:35

Metadata and Data (Python)

Time of First Successful Submission: 2025-04-01 19:43:15

Metadata and Data (C)

Time of First Successful Submission: 2025-04-01 19:52:45

Metadata and Data (x86)

Time of First Successful Submission: 2025-03-11 20:26:28

Input Restrictions (Python)

Time of First Successful Submission: 2025-04-01 19:58:58

Input Restrictions (C)

Time of First Successful Submission: 2025-04-01 20:06:07

Input Restrictions (x86)

Time of First Successful Submission: 2025-03-12 19:22:48

Behold the cIMG! (Python)

Time of First Successful Submission: 2025-04-01 20:18:54

Behold the cIMG! (C)

Time of First Successful Submission: 2025-04-01 20:29:54

Behold the cIMG! (x86)

Time of First Successful Submission: 2025-03-12 19:36:33

A Basic cIMG (Python)

Time of First Successful Submission: 2025-04-01 20:42:12

A Basic cIMG (C)

Time of First Successful Submission: 2025-04-01 20:48:11

A Basic cIMG (x86)

Time of First Successful Submission: 2025-03-12 20:28:49

Internal State Mini (C)

Time of First Successful Submission: 2025-04-03 17:58:20

Internal State Mini (x86)

Time of First Successful Submission: 2025-04-03 18:06:53

Internal State (C)

Time of First Successful Submission: 2025-04-03 19:25:46

Internal State (x86)

Time of First Successful Submission: 2025-03-16 10:25:32

File Formats: Directives (C)

Time of First Successful Submission: 2025-04-03 19:57:44

File Formats: Directives

Time of First Successful Submission: 2025-03-16 11:23:06

The Patch Directive

Time of First Successful Submission: 2025-03-26 20:28:42

Optimizing for Space

Time of First Successful Submission: 2025-03-26 20:42:02

Tweaking Images

Time of First Successful Submission: 2025-03-26 21:43:05

Storage and Retrieval

Time of First Successful Submission: 2025-03-27 21:10:41

Extracting Knowledge

Time of First Successful Submission: 2025-03-28 19:52:17

Advanced Sprites

Time of First Successful Submission: 2025-03-28 20:20:59

Accessing Resources

Time of First Successful Submission: 2025-03-28 22:15:55

Unsafe Animations

Time of First Successful Submission: 2025-03-29 09:08:04

Animations

Time of First Successful Submission: 2025-03-30 09:09:07

Interoperability: Patching Data

Time of First Successful Submission: 2025-03-30 09:39:49

Patching Code

Time of First Successful Submission: 2025-03-30 18:13:36

Patching Control Flow

Time of First Successful Submission: 2025-03-30 18:26:14

Your First Overflow (easy)

Time of First Successful Submission: 2025-03-18 18:46:09

Your First Overflow (hard)

Time of First Successful Submission: 2025-03-18 18:51:46

Precision (easy)

Time of First Successful Submission: 2025-03-18 19:00:52

Precision (hard)

Time of First Successful Submission: 2025-03-18 19:13:20

Variable Control (easy)

Time of First Successful Submission: 2025-03-18 19:35:06

Variable Control (hard)

Time of First Successful Submission: 2025-03-18 19:59:07

Control Hijack (easy)

Time of First Successful Submission: 2025-03-18 20:19:31

Control Hijack (hard)

Time of First Successful Submission: 2025-03-20 19:18:09

Tricky Control Hijack (easy)

Time of First Successful Submission: 2025-03-20 19:30:22

Tricky Control Hijack (hard)

Time of First Successful Submission: 2025-03-20 20:40:05

PIEs (easy)

Time of First Successful Submission: 2025-03-20 21:01:37

PIEs (hard)

Time of First Successful Submission: 2025-03-20 21:11:35

String Lengths (easy)

Time of First Successful Submission: 2025-03-21 16:19:34

String Lengths (hard)

Time of First Successful Submission: 2025-03-22 11:59:38

Basic Shellcode

Time of First Successful Submission: 2025-03-22 12:46:00

NOP Sleds

Time of First Successful Submission: 2025-03-22 12:54:45

NULL-Free Shellcode

Time of First Successful Submission: 2025-03-22 14:04:18

Hijack to (Mapped) Shellcode (easy)

Time of First Successful Submission: 2025-03-22 14:35:44

Hijack to (Mapped) Shellcode (hard)

Time of First Successful Submission: 2025-03-22 15:04:22

Hijack to Shellcode (easy)

Time of First Successful Submission: 2025-03-22 15:26:51

Hijack to Shellcode (hard)

Time of First Successful Submission: 2025-03-22 18:21:48

ECB-to-Win (easy)

Time of First Successful Submission: 2025-04-06 10:38:47

ECB-to-Win (hard)

Time of First Successful Submission: 2025-04-06 14:25:53

ECB-to-Shellcode (easy)

Time of First Successful Submission: 2025-04-06 14:59:15

ECB-to-Shellcode (hard)

Time of First Successful Submission: 2025-04-10 05:37:40

CIMG Screenshots

Time of First Successful Submission: 2025-04-11 19:50:08

CIMG Screenshots 2

Time of First Successful Submission: 2025-04-17 20:17:44

Wily Webserver

Time of First Successful Submission: 2025-04-18 14:40:29

The Watering Hole

Time of First Successful Submission: 2025-04-20 14:11:24


Program Security

82 / 161 777 / 7388


level4

Time of First Successful Submission: 2025-05-03 11:19:06

level5

Time of First Successful Submission: 2025-05-03 17:39:36

level6

Time of First Successful Submission: 2025-05-03 17:42:49

level7

Time of First Successful Submission: 2025-05-03 17:57:38

level8

Time of First Successful Submission: 2025-05-03 18:15:11

level9

Time of First Successful Submission: 2025-05-03 18:58:29

level10

Time of First Successful Submission: 2025-05-04 18:16:42

level11

Time of First Successful Submission: 2025-05-04 18:19:53

level12

Time of First Successful Submission: 2025-05-04 18:38:29

level13

Time of First Successful Submission: 2025-05-04 18:40:23

level14

Time of First Successful Submission: 2025-05-04 18:58:03

level1.0

Time of First Successful Submission: 2025-04-20 14:20:08

level1.1

Time of First Successful Submission: 2025-04-20 15:05:29

level2.0

Time of First Successful Submission: 2025-04-20 15:09:51

level2.1

Time of First Successful Submission: 2025-04-20 15:13:31

level3.0

Time of First Successful Submission: 2025-04-20 15:17:50

level3.1

Time of First Successful Submission: 2025-04-20 15:19:13

level4.0

Time of First Successful Submission: 2025-04-20 15:21:44

level4.1

Time of First Successful Submission: 2025-04-20 15:23:26

level5.0

Time of First Successful Submission: 2025-04-20 15:26:10

level5.1

Time of First Successful Submission: 2025-04-20 15:31:37

level6.0

Time of First Successful Submission: 2025-04-20 15:35:53

level6.1

Time of First Successful Submission: 2025-04-20 15:41:29

level7.0

Time of First Successful Submission: 2025-04-21 08:05:51

level7.1

Time of First Successful Submission: 2025-04-21 11:15:34

level8.0

Time of First Successful Submission: 2025-04-21 11:27:00

level8.1

Time of First Successful Submission: 2025-04-21 20:41:28

level9.0

Time of First Successful Submission: 2025-04-21 20:52:28

level9.1

Time of First Successful Submission: 2025-04-21 20:56:54

level10.0

Time of First Successful Submission: 2025-04-22 04:53:19

level10.1

Time of First Successful Submission: 2025-04-22 04:58:20

level11.0

Time of First Successful Submission: 2025-04-22 05:04:48

level11.1

Time of First Successful Submission: 2025-04-22 05:08:54

level12.0

Time of First Successful Submission: 2025-04-22 17:47:14

level12.1

Time of First Successful Submission: 2025-04-22 17:53:06

level13.0

Time of First Successful Submission: 2025-04-22 18:44:38

level13.1

Time of First Successful Submission: 2025-04-22 19:23:35

level14.0

Time of First Successful Submission: 2025-04-22 19:32:12

level14.1

Time of First Successful Submission: 2025-04-22 19:48:45

level15.0

Time of First Successful Submission: 2025-04-24 18:54:58

level15.1

Time of First Successful Submission: 2025-04-24 19:14:03

level16.0

Time of First Successful Submission: 2025-04-24 19:34:21

level16.1

Time of First Successful Submission: 2025-04-24 19:42:58

level17.0

Time of First Successful Submission: 2025-04-25 07:17:11

level17.1

Time of First Successful Submission: 2025-04-25 14:31:18

level18.0

Time of First Successful Submission: 2025-04-25 15:16:37

level18.1

Time of First Successful Submission: 2025-04-25 15:32:32

level19.0

Time of First Successful Submission: 2025-04-25 18:10:10

level19.1

Time of First Successful Submission: 2025-04-25 18:52:27

level20.0

Time of First Successful Submission: 2025-04-25 21:20:02

level20.1

Time of First Successful Submission: 2025-04-26 13:36:00

level21.0

Time of First Successful Submission: 2025-04-27 10:51:17

level21.1

Time of First Successful Submission: 2025-04-27 12:15:58

level22.0

Time of First Successful Submission: 2025-04-27 18:37:22

level4.0

Time of First Successful Submission: 2025-05-05 17:21:17

level4.1

Time of First Successful Submission: 2025-05-05 17:47:13

level5.0

Time of First Successful Submission: 2025-05-05 18:14:55

level5.1

Time of First Successful Submission: 2025-05-05 18:27:40

level9.0

Time of First Successful Submission: 2025-05-05 19:19:01

level9.1

Time of First Successful Submission: 2025-05-06 20:30:07

level10.0

Time of First Successful Submission: 2025-05-06 21:03:27

level10.1

Time of First Successful Submission: 2025-05-06 21:17:47

level11.0

Time of First Successful Submission: 2025-05-07 18:20:59

level11.1

Time of First Successful Submission: 2025-05-07 18:31:32

level12.0

Time of First Successful Submission: 2025-05-07 19:44:21

level12.1

Time of First Successful Submission: 2025-05-07 20:37:39

level13.0

Time of First Successful Submission: 2025-05-07 20:45:01

level13.1

Time of First Successful Submission: 2025-05-08 18:12:21

level14.0

Time of First Successful Submission: 2025-05-08 18:52:26

level14.1

Time of First Successful Submission: 2025-05-08 20:15:05

level15.0

Time of First Successful Submission: 2025-05-09 19:39:22

level15.1

Time of First Successful Submission: 2025-05-09 19:56:49

level1.0

Time of First Successful Submission: 2025-05-10 18:30:53

level1.1

Time of First Successful Submission: 2025-05-10 18:49:24

level2.0

Time of First Successful Submission: 2025-05-10 19:27:36

level2.1

Time of First Successful Submission: 2025-05-10 20:05:32

level3.0

Time of First Successful Submission: 2025-05-10 21:07:30

level3.1

Time of First Successful Submission: 2025-05-10 21:37:02

level4.0

Time of First Successful Submission: 2025-05-12 20:33:18

level4.1

Time of First Successful Submission: 2025-05-12 20:43:54

level5.0

Time of First Successful Submission: 2025-05-13 21:11:26

level5.1

Time of First Successful Submission: 2025-05-13 21:29:36


Getting Started

10 / 10 6897 / 21143


Using the VSCode Workspace

Time of First Successful Submission: 2024-04-11 17:41:24

Using the GUI Desktop

Time of First Successful Submission: 2024-04-11 17:42:50

Pasting into the Desktop

Time of First Successful Submission: 2024-04-11 17:44:57

Restarting Challenges

Time of First Successful Submission: 2025-02-16 19:17:33

Getting Help

Time of First Successful Submission: 2025-02-16 19:20:09

Challenge Programs

Time of First Successful Submission: 2025-02-16 19:21:06

The Flag File

Time of First Successful Submission: 2024-04-11 17:46:24

Using Practice Mode

Time of First Successful Submission: 2024-04-11 17:49:53

Persistent Home Directories - One

Time of First Successful Submission: 2024-04-11 17:52:20

Persistent Home Directories - Two

Time of First Successful Submission: 2024-04-11 17:54:45


Linux Luminarium

84 / 84 3358 / 14099


Intro to Commands

Time of First Successful Submission: 2025-02-16 08:53:27

Intro to Arguments

Time of First Successful Submission: 2025-02-16 08:55:00

The Root

Time of First Successful Submission: 2025-02-16 08:56:58

Program and absolute paths

Time of First Successful Submission: 2025-02-16 08:58:09

Position thy self

Time of First Successful Submission: 2025-02-16 08:59:34

Position elsewhere

Time of First Successful Submission: 2025-02-16 09:00:44

Position yet elsewhere

Time of First Successful Submission: 2025-02-16 09:01:43

implicit relative paths, from /

Time of First Successful Submission: 2025-02-16 09:03:02

explicit relative paths, from /

Time of First Successful Submission: 2025-02-16 09:04:11

implicit relative path

Time of First Successful Submission: 2025-02-16 09:05:06

home sweet home

Time of First Successful Submission: 2025-02-16 09:06:38

cat: not the pet, but the command!

Time of First Successful Submission: 2025-02-16 09:11:24

catting absolute paths

Time of First Successful Submission: 2025-02-16 09:12:31

more catting practice

Time of First Successful Submission: 2025-02-16 09:13:43

grepping for a needle in a haystack

Time of First Successful Submission: 2025-02-16 09:15:00

listing files

Time of First Successful Submission: 2025-02-16 09:16:36

touching files

Time of First Successful Submission: 2025-02-16 09:17:56

removing files

Time of First Successful Submission: 2025-02-16 09:18:56

hidden files

Time of First Successful Submission: 2025-02-16 09:20:07

An Epic Filesystem Quest

Time of First Successful Submission: 2025-02-16 09:24:50

making directories

Time of First Successful Submission: 2025-02-16 09:26:06

finding files

Time of First Successful Submission: 2025-02-16 09:27:58

linking files

Time of First Successful Submission: 2025-02-16 09:30:23

Learning From Documentation

Time of First Successful Submission: 2025-02-16 09:35:42

Learning Complex Usage

Time of First Successful Submission: 2025-02-16 09:37:04

Reading Manuals

Time of First Successful Submission: 2025-02-16 09:38:47

Searching Manuals

Time of First Successful Submission: 2025-02-16 09:42:08

Searching For Manuals

Time of First Successful Submission: 2025-02-16 09:45:07

Helpful Programs

Time of First Successful Submission: 2025-02-16 09:46:24

Help for Builtins

Time of First Successful Submission: 2025-02-16 09:47:38

Matching with *

Time of First Successful Submission: 2025-02-16 09:56:07

Matching with ?

Time of First Successful Submission: 2025-02-16 09:57:54

Matching with []

Time of First Successful Submission: 2025-02-16 10:00:05

Matching paths with []

Time of First Successful Submission: 2025-02-16 10:03:37

Mixing globs

Time of First Successful Submission: 2025-02-16 10:29:40

Exclusionary globbing

Time of First Successful Submission: 2025-02-16 10:31:38

Redirecting output

Time of First Successful Submission: 2025-02-16 10:40:33

Redirecting more output

Time of First Successful Submission: 2025-02-16 10:42:04

Appending output

Time of First Successful Submission: 2025-02-16 10:44:07

Redirecting errors

Time of First Successful Submission: 2025-02-16 10:46:41

Redirecting input

Time of First Successful Submission: 2025-02-16 10:49:00

Grepping stored results

Time of First Successful Submission: 2025-02-16 10:50:57

Grepping live output

Time of First Successful Submission: 2025-02-16 10:52:01

Grepping errors

Time of First Successful Submission: 2025-02-16 10:53:39

Duplicating piped data with tee

Time of First Successful Submission: 2025-02-16 10:59:09

Writing to multiple programs

Time of First Successful Submission: 2025-02-16 11:08:00

Split-piping stderr and stdout

Time of First Successful Submission: 2025-02-16 11:13:30

Printing Variables

Time of First Successful Submission: 2025-02-16 11:24:12

Setting Variables

Time of First Successful Submission: 2025-02-16 11:25:17

Multi-word Variables

Time of First Successful Submission: 2025-02-16 11:26:16

Exporting Variables

Time of First Successful Submission: 2025-02-16 11:28:58

Printing Exported Variables

Time of First Successful Submission: 2025-02-16 11:29:44

Storing Command Output

Time of First Successful Submission: 2025-02-16 11:31:59

Reading Input

Time of First Successful Submission: 2025-02-16 11:33:41

Reading Files

Time of First Successful Submission: 2025-02-16 11:35:57

Listing Processes

Time of First Successful Submission: 2025-02-16 19:29:16

Killing Processes

Time of First Successful Submission: 2025-02-16 19:33:11

Interrupting Processes

Time of First Successful Submission: 2025-02-16 19:34:39

Suspending Processes

Time of First Successful Submission: 2025-02-16 19:36:11

Resuming Processes

Time of First Successful Submission: 2025-02-16 19:37:41

Backgrounding Processes

Time of First Successful Submission: 2025-02-16 19:40:29

Foregrounding Processes

Time of First Successful Submission: 2025-02-16 19:42:35

Starting Backgrounded Processes

Time of First Successful Submission: 2025-02-16 19:43:58

Process Exit Codes

Time of First Successful Submission: 2025-02-16 19:46:04

Changing File Ownership

Time of First Successful Submission: 2025-02-16 19:50:58

Groups and Files

Time of First Successful Submission: 2025-02-16 19:58:35

Fun With Groups Names

Time of First Successful Submission: 2025-02-16 20:33:01

Changing Permissions

Time of First Successful Submission: 2025-02-16 20:42:26

Executable Files

Time of First Successful Submission: 2025-02-16 20:46:14

Permission Tweaking Practice

Time of First Successful Submission: 2025-02-16 20:56:41

Permissions Setting Practice

Time of First Successful Submission: 2025-02-16 21:02:06

The SUID Bit

Time of First Successful Submission: 2025-02-16 21:04:23

Becoming root with su

Time of First Successful Submission: 2025-02-16 21:14:24

Other users with su

Time of First Successful Submission: 2025-02-16 21:15:38

Cracking passwords

Time of First Successful Submission: 2025-02-16 21:21:17

Using sudo

Time of First Successful Submission: 2025-02-16 21:25:09

Chaining with Semicolons

Time of First Successful Submission: 2025-02-16 21:29:11

Your First Shell Script

Time of First Successful Submission: 2025-02-16 21:35:10

Redirecting Script Output

Time of First Successful Submission: 2025-02-16 21:37:42

Executable Shell Scripts

Time of First Successful Submission: 2025-02-16 21:39:31

The PATH Variable

Time of First Successful Submission: 2025-02-16 21:44:02

Setting PATH

Time of First Successful Submission: 2025-02-16 21:45:39

Adding Commands

Time of First Successful Submission: 2025-02-16 21:51:11

Hijacking Commands

Time of First Successful Submission: 2025-02-16 21:53:23


Computing 101

1 / 69 13364 / 13437


Your First Register

Time of First Successful Submission: 2025-02-16 09:54:09


Playing With Programs

51 / 255 5759 / 19773


Decoding Base64

Time of First Successful Submission: 2024-04-18 18:28:52

cat

Time of First Successful Submission: 2024-04-11 18:01:23

more

Time of First Successful Submission: 2024-04-11 18:03:15

less

Time of First Successful Submission: 2024-04-11 18:04:32

tail

Time of First Successful Submission: 2024-04-11 18:05:37

head

Time of First Successful Submission: 2024-04-11 18:07:28

sort

Time of First Successful Submission: 2024-04-11 18:08:42

vim

Time of First Successful Submission: 2024-04-11 18:13:11

emacs

Time of First Successful Submission: 2024-04-11 18:17:07

nano

Time of First Successful Submission: 2024-04-11 18:18:06

rev

Time of First Successful Submission: 2024-04-11 18:19:36

od

Time of First Successful Submission: 2024-04-11 18:24:41

hd

Time of First Successful Submission: 2024-04-11 18:27:48

xxd

Time of First Successful Submission: 2024-04-11 18:49:55

base32

Time of First Successful Submission: 2024-04-11 18:52:40

base64

Time of First Successful Submission: 2024-04-11 18:55:14

split

Time of First Successful Submission: 2024-04-11 18:57:33

gzip

Time of First Successful Submission: 2024-04-11 19:03:06

bzip2

Time of First Successful Submission: 2024-04-11 19:07:37

zip

Time of First Successful Submission: 2024-04-11 19:11:22

tar

Time of First Successful Submission: 2024-04-11 19:16:03

ar

Time of First Successful Submission: 2024-04-11 19:23:43

cpio

Time of First Successful Submission: 2024-04-11 19:28:58

genisoimage

Time of First Successful Submission: 2024-04-11 19:40:16

env

Time of First Successful Submission: 2024-04-11 19:43:08

find

Time of First Successful Submission: 2024-04-11 19:49:38

make

Time of First Successful Submission: 2024-04-12 16:52:47

nice

Time of First Successful Submission: 2024-04-12 16:55:05

timeout

Time of First Successful Submission: 2024-04-12 16:58:28

stdbuf

Time of First Successful Submission: 2024-04-12 17:01:16

setarch

Time of First Successful Submission: 2024-04-12 17:03:37

watch

Time of First Successful Submission: 2024-04-12 17:05:42

socat

Time of First Successful Submission: 2024-04-12 17:14:16

whiptail

Time of First Successful Submission: 2024-04-12 17:26:14

awk

Time of First Successful Submission: 2024-04-12 17:29:50

sed

Time of First Successful Submission: 2024-04-12 17:31:14

ed

Time of First Successful Submission: 2024-04-12 17:32:35

chown

Time of First Successful Submission: 2024-04-12 17:34:50

chmod

Time of First Successful Submission: 2024-04-12 17:35:53

cp

Time of First Successful Submission: 2024-04-12 17:42:08

mv

Time of First Successful Submission: 2024-04-12 17:47:59

perl

Time of First Successful Submission: 2024-04-12 17:52:03

python

Time of First Successful Submission: 2024-04-12 17:58:44

ruby

Time of First Successful Submission: 2024-04-12 18:00:07

bash

Time of First Successful Submission: 2024-04-12 18:03:37

date

Time of First Successful Submission: 2024-04-12 18:05:38

dmesg

Time of First Successful Submission: 2024-04-12 18:07:17

wc

Time of First Successful Submission: 2024-04-12 18:10:14

gcc

Time of First Successful Submission: 2024-04-12 18:13:01

as

Time of First Successful Submission: 2024-04-12 18:15:24

wget

Time of First Successful Submission: 2024-04-12 18:20:16