Here is the list of basic linux commands that may help you to get started in infosec
ping - this command is too check whether computers are connected or not
curl - this command is use to make any HTTP request.
echo - this command is use to print the value.
wget - this command is used to download files.
cd - this command is for changing directories.
mkdir - this command is use to create directory.
mv - this command is use to move data.
dig - this command is use to check IP for domains.
nslookup - this command is also use to check IP of any domain same as dig (DNS query)
whois - this command checks that whether the domain registred or not
ssh - this command is for for remote login known as secure shell.
telnet - this command is same as ssh but insecure.
ngrep - this command is for grep for network
tcpdump -this command will show you the packets for on port 80.
ifconfig - this command is to check your IP address.
iwconfig - this commandis to manage wireless network settings
nc - this command is to make TCP connections manually known as netcat.
ethtool -this command is for managing physical ethernet connections and netnetwork cards.
scp - this command is to copy file over ssh connection.
sysctl - this command is to configure linux kernel's stack.
netstat - this command is to check what ports are server using.
nice list
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