CTF Challenges by Category
All Skills
⭐
linux × 608
💪
directory-commands × 262
💪
file-commands × 259
💪
file-directory-commands × 97
💪
cli × 82
💪
file-permissions × 56
💪
file-management × 33
💪
file-operations × 31
💪
directory-navigation × 29
💪
permissions × 25
💪
process-management × 22
💪
c-programming × 22
💪
ls-command × 21
💪
file-and-directory-commands × 21
💪
find-command × 21
💪
symbolic-link × 19
💪
directory-operations × 18
💪
file-search × 18
💪
cd-command × 18
💪
ls × 17
💪
commands × 15
💪
find × 14
💪
navigation × 13
💪
directory-creation × 13
💪
file-manipulation × 13
💪
directory-command × 12
💪
directories × 11
💪
chmod × 11
💪
mkdir × 11
💪
rm-command × 11
💪
command-line × 11
💪
file-ownership × 10
💪
grep × 10
💪
file-command × 10
💪
text-manipulation × 10
💪
networking-commands × 10
💪
chown × 10
💪
security × 9
💪
iot × 9
💪
basic × 8
💪
cd × 8
💪
hard × 8
💪
basic-commands × 8
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touch-command × 8
💪
file-system × 8
💪
directory × 8
💪
rm × 8
💪
mv × 8
💪
loops × 8
💪
cp × 7
💪
bash × 7
💪
input-output-redirection × 7
💪
sed × 7
💪
mkdir-command × 7
💪
symbolic-links × 7
💪
command-line-interface × 7
💪
pointers × 7
💪
pwd-command × 7
💪
text-processing × 7
💪
mv-command × 7
💪
tar × 7
💪
awk × 7
💪
cybersecurity × 6
💪
control-flow × 6
💪
directory-listing × 6
💪
file × 6
💪
file-directory × 6
💪
file-handling × 6
💪
disk-usage × 6
💪
variables × 6
💪
file-navigation × 6
💪
grep-command × 6
💪
touch × 6
💪
ln-command × 6
💪
ownership × 6
💪
chmod-command × 6
💪
control-flow-structures × 6
💪
linux-commands × 5
💪
networking × 5
💪
iot-connectivity × 5
💪
du-command × 5
💪
file-creation × 5
💪
mqtt × 5
💪
system-monitoring × 5
💪
directory-size × 5
💪
rmdir × 5
💪
ethical-hacking × 5
💪
cp-command × 5
💪
protocols × 5
💪
search × 5
💪
file-listing × 5
💪
coap × 4
💪
listing × 4
💪
file-rename × 4
💪
ubuntu × 4
💪
create-directory × 4
💪
compression × 4
💪
redirection × 4
💪
scp × 4
💪
user-management × 4
💪
terminal-shortcuts × 4
💪
filesystem × 4
💪
package-management × 4
💪
iot-security × 4
💪
group-management × 4
💪
directory-removal × 4
💪
files × 4
💪
directory-management × 4
💪
connectivity × 4
💪
shell-expansion × 4
💪
debugging × 4
💪
conditional-statements × 4
🚩
web × 3
💪
real-time-monitoring × 3
💪
list-files × 3
💪
vim × 3
💪
recursion × 3
💪
cat × 3
💪
basics × 3
💪
emacs × 3
💪
environment-variables × 3
💪
cat-command × 3
💪
command × 3
💪
file-copy × 3
💪
wc × 3
💪
search-commands × 3
💪
working-directory × 3
💪
pwd × 3
💪
bash-scripting × 3
💪
data-types × 3
💪
file-size × 3
💪
deletion × 3
💪
background-process × 3
💪
dns × 3
💪
advanced × 3
💪
encryption × 3
💪
du × 3
💪
file-compression × 3
💪
copying × 3
💪
ln × 3
💪
system-monitoring-tools × 3
💪
cli-commands × 3
💪
network-security × 3
💪
sticky-bit × 3
💪
sorting × 3
💪
directory-permissions × 3
💪
operating-systems × 3
💪
firewalls × 3
💪
unix × 3
💪
systemd × 3
💪
firewall × 3
💪
change-permissions × 3
💪
nano × 3
💪
dynamic-memory-allocation × 3
💪
regex × 3
💪
malloc × 3
💪
service-management × 3
💪
phishing × 3
💪
rename × 3
💪
change-directory × 3
💪
scripting × 3
🚩
php × 2
🚩
traversal × 2
💪
problem-solving × 2
💪
linux-command-line × 2
💪
signals × 2
💪
sql-injection × 2
💪
delete × 2
💪
text-search × 2
💪
debian × 2
💪
navigation-commands × 2
💪
file-count × 2
💪
iot-protocols × 2
💪
types × 2
💪
permission × 2
💪
ping × 2
💪
keybindings × 2
💪
sed-command × 2
💪
io-redirection × 2
💪
iot-devices × 2
💪
directory-change × 2
💪
rmdir-command × 2
💪
infinite-loop × 2
💪
data-processing × 2
💪
calloc × 2
💪
easy × 2
💪
input-output × 2
💪
applications × 2
💪
vulnerabilities × 2
💪
udp × 2
💪
computer-science × 2
💪
linux-command-line-interface × 2
💪
rename-files × 2
💪
directory-handling × 2
💪
http × 2
💪
directory-search × 2
💪
concept × 2
💪
chown-command × 2
💪
bash-shell × 2
💪
gzip × 2
💪
secure-communication × 2
💪
delete-commands × 2
💪
tar-command × 2
💪
file-directory-management × 2
💪
file-metadata × 2
💪
sort × 2
💪
linux-command × 2
💪
archive-commands × 2
💪
ip-address × 2
💪
firmware-updates × 2
💪
6lowpan × 2
💪
shell-command × 2
💪
ifconfig × 2
💪
removal × 2
💪
error-handling × 2
💪
remove-directory × 2
💪
creation × 2
💪
count-files × 2
💪
ipv6 × 2
💪
remove × 2
💪
switch × 2
💪
lora × 2
💪
cyber-security × 2
💪
absolute-path × 2
💪
user-input × 2
💪
penetration-testing × 2
💪
disk-usage-commands × 2
💪
file-deletion × 2
💪
tcp × 2
💪
rename-file × 2
💪
internet-of-things × 2
💪
iot-communication × 2
💪
bash-script × 2
💪
do-while-loop × 2
💪
vpn × 2
💪
communication-protocol × 2
💪
recursive × 2
💪
industrial-automation × 2
💪
directory-deletion × 2
💪
network-interfaces × 2
💪
switch-case × 2
💪
file-removal × 2
💪
file-moving × 2
💪
terminal-commands × 2
💪
routing × 2
💪
iteration × 2
💪
traceroute × 2
💪
continue-statement × 2
💪
rsync × 2
💪
ddos-attacks × 2
💪
file-operation × 2
💪
dir-command × 2
💪
break-statement × 2
💪
shell-scripting × 2
💪
disk-space × 2
💪
file-permission × 2
💪
list × 2
💪
renaming × 2
💪
c × 2
💪
copy-files × 2
💪
regular-expressions × 2
💪
netstat × 2
💪
while-loop × 2
💪
tail × 2
💪
directory-contents × 2
💪
pid × 2
💪
backup × 2
💪
move × 2