CTF Challenges by Category
All Skills
⭐
linux × 465
💪
file-commands × 166
💪
directory-commands × 164
💪
file-directory-commands × 76
💪
cli × 74
💻
algorithms × 35
💪
navigation × 32
💪
directory-navigation × 29
💪
commands × 29
💪
file-management × 29
⭐
arrays × 28
💪
process-management × 27
💪
file-permissions × 26
⭐
array × 25
💪
package-management × 21
💪
file-operations × 20
⭐
command-line × 19
💪
directories × 16
⭐
programming × 16
💪
basics × 15
💻
sorting × 15
💪
cybersecurity × 14
⭐
basic × 14
💪
ls-command × 13
💪
python × 13
💪
basic-commands × 13
💪
penetration-testing × 13
💪
directory × 13
💪
directory-creation × 12
💪
file-and-directory-commands × 12
💪
bash-scripting × 12
💪
file-system × 12
💪
file-creation × 11
💪
bash-programming × 11
💪
cd-command × 11
💻
optimization × 11
💻
filtering × 11
💪
bash × 10
💪
debian × 10
💪
listing × 10
💪
pwd-command × 10
💪
mongodb × 10
💪
computer-networks × 10
⭐
scripting × 10
💪
web-development × 9
💪
networking-commands × 9
💪
file-directory × 9
💪
directory-management × 9
💪
c++ × 8
💪
permissions × 8
💪
ubuntu × 8
💪
osi-model × 8
💪
directory-operations × 8
💪
mkdir × 8
⭐
loops × 8
⭐
lists × 8
💻
simulation × 8
💪
git × 7
💪
file × 7
💪
creation × 7
💪
internet-protocols × 7
💪
socket-programming × 7
💪
generic-programming × 7
💪
gitlab × 7
💪
routing × 7
💪
css × 7
💪
crud × 7
💪
update × 7
💪
directory-removal × 7
💪
variables × 7
⭐
data-structures × 7
⭐
list × 7
⭐
data-structure × 7
💻
iteration × 7
💻
subarray × 7
💻
data-processing × 7
💪
chmod × 6
💪
tcp × 6
💪
directory-command × 6
💪
encryption × 6
💪
database × 6
💪
files × 6
💪
networking × 6
💪
ls × 6
💪
hidden-files × 6
💪
apt × 6
💻
strings × 6
💻
sliding-window × 6
💪
tcp-ip × 5
💪
syntax × 5
💪
touch × 5
💪
easy × 5
💪
tools × 5
💪
security × 5
💪
protocols × 5
💪
file-command × 5
💪
current-directory × 5
💪
javascript × 5
💪
terminology × 5
💪
beginner × 5
💪
insert × 5
💪
touch-command × 5
💪
mkdir-command × 5
💪
disk-usage × 5
⭐
terminal × 5
💻
string-manipulation × 5
💻
two-pointer × 5
💻
unique × 5
💻
arithmetic × 5
🚩
web × 4
🚩
php × 4
🚩
traversal × 4
💪
file-listing × 4
💪
fundamentals × 4
💪
fedora × 4
💪
microprocessors × 4
💪
file-navigation × 4
💪
command-line-interface × 4
💪
ports × 4
💪
linux-commands × 4
💪
email × 4
💪
switching × 4
💪
cd × 4
💪
wireless-networks × 4
💪
delete × 4
💪
html × 4
💪
deletion × 4
💪
rm-command × 4
💪
file-copy × 4
💪
arch-linux × 4
💪
functions × 4
💪
microcontrollers × 4
💪
system-monitoring-tools × 4
💪
operating-systems × 4
💪
java × 4
💪
phishing × 4
💪
change-directory × 4
💪
repository-management × 4
💪
data-types × 4
💪
troubleshooting × 4
💪
graphql × 4
💪
network-security × 4
💪
http × 4
💪
filesystem × 4
💪
system-monitoring × 4
💪
dns × 4
💪
dpkg × 4
💻
greedy × 4
💻
sum × 4
💻
validation × 4
💻
frequency × 4
💪
shell × 3
💪
rest × 3
💪
rmdir × 3
💪
reconnaissance × 3
💪
control-flow × 3
💪
data-format × 3
💪
working-directory × 3
💪
make-directory × 3
💪
smtp × 3
💪
centos × 3
💪
listening × 3
💪
honeypot × 3
💪
ownership × 3
💪
malware × 3
💪
network-topology × 3
💪
social-engineering × 3
💪
mv × 3
💪
mv-command × 3
💪
command × 3
💪
find × 3
💪
rm × 3
💪
move × 3
💪
control-flow-structures × 3
💪
file-rename × 3
💪
linux-command × 3
💪
vlan × 3
💪
navigation-commands × 3
💪
binding × 3
💪
web-security × 3
💪
types × 3
💪
network-scanning × 3
💪
symbols × 3
💪
accessibility × 3
💪
cryptography × 3
💪
file-manipulation × 3
💪
basic-concepts × 3
💪
yum × 3
💪
linked-list × 3
💻
primes × 3
💻
sequence × 3
💻
merging × 3
💻
filter × 3
💻
prefix-sum × 3
💻
math × 3
💻
reordering × 3
💻
iot × 3
💻
sequential × 3
💪
hardware × 2
💪
http-methods × 2
💪
system-calls × 2
💪
directory-listing × 2
💪
network-devices × 2
💪
update-operation × 2
💪
search × 2
💪
components × 2
💪
basic-operations × 2
💪
api × 2
💪
command-line-arguments × 2
💪
network-performance × 2
💪
redhat × 2
💪
hacking × 2
💪
cp-command × 2
💪
delete-operation × 2
💪
issue-tracking × 2
💪
cleanup × 2
💪
memory-management × 2
💪
ping × 2
💪
file-deletion × 2
💪
rest-api × 2
💪
network-communication × 2
💪
file-move × 2
💪
execution × 2
💪
kill-command × 2
💪
dhcp × 2
💪
subnetting × 2
💪
cat-command × 2
💪
dnf × 2
💪
shell-scripting × 2
💪
network-ports × 2
💪
create-directory × 2
💪
parameter-expansion × 2
💪
vim × 2
💪
file-and-directory × 2
💪
firewall × 2
💪
networks × 2
💪
indexing × 2
💪
nano × 2
💪
history × 2
💪
insert-operation × 2
💪
python-syntax × 2
💪
control-structures × 2
💪
protocol × 2
💪
pwd × 2
💪
user-management × 2
💪
crud-operations × 2
💪
file-movement × 2
💪
linux-command-line × 2
💪
options × 2
💪
beginners × 2
💪
wildcards × 2
💪
variable-declaration × 2
💪
responsive-design × 2
💪
projection × 2
💪
differences × 2
💪
read × 2
💪
dynamic-array × 2
💪
internet-protocol × 2
💪
shell-builtin × 2
💪
sql × 2
💪
file-display × 2
💪
software-development × 2
💪
identifiers × 2
💪
apt-get × 2
💪
list-files × 2
💪
connectivity × 2
💪
vulnerability-assessment × 2
💪
authentication × 2
💪
programming-languages × 2
💪
ethical-hacking × 2
💪
redirection × 2
💪
nosql × 2
💪
ps-command × 2
💪
sqli × 2
💪
network-protocols × 2
💪
network-troubleshooting × 2
💪
queue × 2
💪
if-statement × 2
💪
shell-customization × 2
💪
selectors × 2
💪
monitoring × 2
💪
file-moving × 2
💪
ui-ux × 2
💪
communication × 2
💪
path × 2
💪
data-transmission × 2
💪
environment × 2
💪
shebang × 2
💪
cli-commands × 2
💪
methods × 2
💪
document-structure × 2
💪
decoupling × 2
💪
branching × 2
💪
file-copying × 2
💪
ip-address × 2
💪
routing-table × 2
💪
ux × 2
💪
wifi × 2
💪
user-security × 2
💪
concept × 2
💪
ip-addresses × 2
💪
conditionals × 2
💪
paths × 2
💪
removal × 2
💪
parent-directory × 2
💪
unix × 2
💪
ip-addressing × 2
💪
renaming × 2
💪
computer-science × 2
💪
message-queuing × 2
💪
network-traffic × 2
💪
inheritance × 2
💻
partitioning × 2
💻
cumulative-sum × 2
💻
calculation × 2
💻
balance × 2
💻
dictionary × 2
💻
target-sum × 2
💻
parity × 2
💻
prime × 2
💻
average × 2
💻
pricing × 2
💻
counting × 2
💻
hash-map × 2
💻
brute-force × 2
💻
iterative × 2
💻
two-pointers × 2
💻
equilibrium × 2
💻
logic × 2
💻
sensor-data × 2
💻
average-calculation × 2
💻
basic-math × 2