CTF Challenges by Category
All Skills
⭐
linux × 253
💪
python × 123
💪
file-commands × 81
💪
directory-commands × 76
💪
python-programming × 74
💪
variables × 72
💪
data-types × 72
💪
control-flow × 49
💪
file-permissions × 48
💪
c-programming × 47
💪
loops × 39
💪
control-flow-structures × 36
💪
file-directory-commands × 29
💪
process-management × 28
💪
file-search × 25
💪
socket-programming × 22
💪
permissions × 21
💪
find-command × 21
💪
file-management × 20
💪
chmod × 20
💪
functions × 20
💪
cli × 19
💪
find × 17
💪
object-oriented-programming × 17
💪
package-management × 17
💪
inheritance × 17
💪
navigation × 16
💪
exception-handling × 16
💪
file-operations × 16
⭐
php × 15
💪
operators × 13
💪
for-loop × 13
💪
while-loop × 12
💪
conditional-statements × 12
💪
symbolic-link × 12
💪
grep × 12
💪
chown × 12
⭐
arrays × 12
💪
rm-command × 11
💪
disk-usage × 10
💪
pandas × 10
💪
tcp × 10
💪
directory-navigation × 10
💪
conditionals × 10
💪
list × 9
💪
continue-statement × 9
💪
switch-case × 9
💪
pointers × 9
💪
ls × 9
💪
syntax × 9
💪
loop × 9
💪
directories × 9
💪
hard × 9
💻
algorithms × 9
💪
advanced × 8
💪
break × 8
💪
if-else × 8
💪
networking × 8
💪
file-system × 8
💪
directory-management × 8
💪
ls-command × 8
💪
basics × 8
💪
grep-command × 8
🚩
web × 7
💪
file-and-directory-commands × 7
💪
data-structures × 7
💪
chmod-command × 7
💪
listing × 7
💪
break-statement × 7
💪
oop × 7
💪
infinite-loop × 7
💪
php-programming × 7
💪
scripting × 7
🚩
traversal × 6
💪
performance × 6
💪
api × 6
💪
programming × 6
💪
signals × 6
💪
string × 6
💪
classes × 6
💪
hidden-files × 6
💪
boolean × 6
💪
built-in-functions × 6
💪
tar × 6
💪
encapsulation × 6
💪
polymorphism × 6
💪
type-conversion × 6
💪
commands × 6
💪
file-ownership × 6
💪
debugging × 6
💪
monitoring × 6
💪
listening × 5
💪
symbolic-links × 5
💪
directory-creation × 5
💪
recursion × 5
💪
text-processing × 5
💪
bash × 5
💪
introspection × 5
💪
keywords × 5
💪
iteration × 5
💪
input-output-redirection × 5
💪
ternary-operator × 5
💪
memory-management × 5
💪
error-handling × 5
💪
system-calls × 5
💪
constructor × 5
💪
file-creation × 5
💪
super × 5
💪
rename × 5
💪
continue × 5
💪
binding × 5
💪
data-analysis × 5
💪
cd-command × 5
💪
lists × 5
💪
if-statement × 5
⭐
strings × 5
💪
class × 4
💪
immutability × 4
💪
file-move × 4
💪
du-command × 4
💪
file-listing × 4
💪
io-redirection × 4
💪
security × 4
💪
wc × 4
💪
rm × 4
💪
control-structures × 4
💪
file-handling × 4
💪
ubuntu × 4
💪
move × 4
💪
do-while-loop × 4
💪
http × 4
💪
file-manipulation × 4
💪
numpy × 4
💪
data × 4
💪
shell × 4
💪
flask × 4
💪
wc-command × 4
💪
json × 4
💪
debian × 4
💪
file-copy × 4
💪
real-time-monitoring × 4
💪
objects × 4
💪
shell-scripting × 4
💪
machine-learning × 4
💪
dictionaries × 4
💪
socket-creation × 4
💪
command-line × 4
💪
database × 4
💪
file-command × 4
💪
rsync × 4
💪
dictionary × 4
💪
yum × 4
💪
network-programming × 4
💪
methods × 4
💪
matplotlib × 4
💪
sockets × 4
💪
directory-removal × 4
💻
array × 4
💪
nice × 3
💪
cd × 3
💪
csv × 3
💪
web-scraping × 3
💪
goto-statement × 3
💪
search × 3
💪
multiprocessing × 3
💪
dataframe × 3
💪
protocols × 3
💪
data-type × 3
💪
scikit-learn × 3
💪
cp × 3
💪
directory-search × 3
💪
mutability × 3
💪
comparison × 3
💪
line-count × 3
💪
database-design × 3
💪
redirection × 3
💪
c × 3
💪
socket-options × 3
💪
modules × 3
💪
ln-command × 3
💪
flow-control × 3
💪
rename-command × 3
💪
float × 3
💪
do-while × 3
💪
priority × 3
💪
switch-statement × 3
💪
symlink × 3
💪
file-io × 3
💪
socket-type × 3
💪
natural-language-processing × 3
💪
file-monitoring × 3
💪
interface × 3
💪
shell-command × 3
💪
asyncio × 3
💪
requests × 3
💪
creation × 3
💪
try-except × 3
💪
if-elif-else × 3
💪
multithreading × 3
💪
list-comprehension × 3
💪
hashing × 3
💪
optimization × 3
💪
abstract-class × 3
💪
directory-command × 3
💪
udp × 3
💪
syntax-semantics × 3
💪
sql-injection × 3
💪
cybersecurity × 3
💪
copying × 3
💪
pip × 3
💪
remove × 3
💪
apt-get × 3
💪
regular-expressions × 3
💪
bind × 3
💪
libraries × 3
💪
object-creation × 3
💪
tar-command × 3
💪
recursive × 3
💪
file-renaming × 3
💪
socket × 3
💪
absolute-path × 3
💪
encoding × 3
💪
directory-operations × 3
💪
functional-programming × 3
💪
else-clause × 3
💪
switch × 3
💪
file-moving × 3
💻
sequence × 3
💪
sticky-bit × 2
💪
design-patterns × 2
💪
text-search × 2
💪
typecasting × 2
💪
server × 2
💪
concurrent-futures × 2
💪
postgresql × 2
💪
conditional-statement × 2
💪
socket-bind × 2
💪
pipelines × 2
💪
booleans × 2
💪
listen × 2
💪
sort × 2
💪
directory-listing × 2
💪
background-process × 2
💪
fedora × 2
💪
data-normalization × 2
💪
stat-command × 2
💪
bash-commands × 2
💪
metadata × 2
💪
relative-path × 2
💪
pid × 2
💪
basic-commands × 2
💪
user-management × 2
💪
delete × 2
💪
library × 2
💪
real-time × 2
💪
delete-files × 2
💪
forensics × 2
💪
data-processing × 2
💪
chown-command × 2
💪
socket-library × 2
💪
ownership × 2
💪
c++ × 2
💪
socket-concept × 2
💪
disk-space × 2
💪
declaration × 2
💪
files × 2
💪
psycopg2 × 2
💪
server-side × 2
💪
du × 2
💪
built-ins × 2
💪
abstract-classes × 2
💪
deployment × 2
💪
real-world-scenario × 2
💪
loop-statements × 2
💪
file-compression × 2
💪
multiple-inheritance × 2
💪
exceptions × 2
💪
directory-size × 2
💪
shell-commands × 2
💪
system-administration × 2
💪
awk × 2
💪
transformation × 2
💪
network × 2
💪
computer-science × 2
💪
conditional × 2
💪
static-method × 2
💪
tkinter × 2
💪
documentation × 2
💪
visibility × 2
💪
pass-statement × 2
💪
threads × 2
💪
semantics × 2
💪
background-job × 2
💪
mysql × 2
💪
file-descriptors × 2
💪
hard-link × 2
💪
execute-permission × 2
💪
loop-control × 2
💪
bash-command × 2
💪
data-manipulation × 2
💪
path × 2
💪
function × 2
💪
linux-commands × 2
💪
class-hierarchy × 2
💪
decorators × 2
💪
basic × 2
💪
kill-command × 2
💪
archiving × 2
💪
packaging × 2
💪
casting × 2
💪
accept-function × 2
💪
command-line-interface × 2
💪
renice × 2
💪
server-socket × 2
💪
permission × 2
💪
file-deletion × 2
💪
cleanup × 2
💪
count-files × 2
💪
crypto × 2
💪
gzip × 2
💪
integer × 2
💪
cyber-security × 2
💪
break-continue × 2
💪
function-arguments × 2
💪
concurrency × 2
💪
web-development × 2
💪
threadpoolexecutor × 2
💪
processing × 2
💪
non-blocking × 2
💪
database-integration × 2
💪
gui-development × 2
💪
mv × 2
💪
top-command × 2
💪
file-movement × 2
💪
password-hashing × 2
💪
information × 2
💪
file-directory × 2
💪
search-commands × 2
💪
process-priority × 2
💪
java × 2
💪
file-transfer × 2
💪
error-redirection × 2
💪
property × 2
💪
cat × 2
💪
sql × 2
💪
sorting × 2
💪
tcp-server × 2
💪
function-pointers × 2
💪
string-manipulation × 2
💪
scope × 2
💪
file-redirection × 2
💪
umask × 2
💪
copy × 2
💪
directory-permissions × 2
💪
inode × 2
💪
mkdir × 2
💪
data-transmission × 2
💪
naming × 2
💪
directory × 2
💪
computer-networks × 2
💪
collection × 2
💪
socket-function × 2
💪
nested-loops × 2
💪
syntax-and-semantics × 2
💪
for-else × 2
💪
infinite-loops × 2
💪
system-performance × 2
💪
logic × 2
💪
troubleshooting × 2
💪
nested-loop × 2
💪
parsing × 2
💻
stability × 2
💻
sensors × 2
💻
greedy × 2
💻
counting × 2