Ethical Hacking and Penetration Testing Guide

Most Common and Important Commands
ls
: 
list directory contents
cd
: 
changes directories
rm
: 
remove files or directories
chmod
: 
change file mode bits, from read to write and vise versa
chown
:
change ownership of a file
chgrp
: 
change group ownership
screen
: 
screen manager with VT100/ANSI terminal emulation, create background process 
with terminal emulator.
ssh
: 
secure shell for remote connection
man
: manual/help
pwd
: 
print name of current/working directory.
cd
..: 
moves up one directory 
mkdir
: 
create a new directory
rmdir
: 
remove director
locate
: 
find a file with in directory or system

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Linux Basics
◾ 
25
whereis
: 
find a file with in system
cp:
copy file
mv
: 
move file/directory or rename a file or directory
mount
: 
mount device such as cdrom/usb
zip
: 
compress directory/files
umount
: 
umount(eject) the usb
df:
list partation table
cat
: 
concatenate the file 
ifconfig
: 
show interface details
w
: 
Show who is logged on and what they are doing
top
: 
show system task manager
netstat
: 
show local or remote established connection 
nslookup
: query Internet name servers interactively 
dig
: 
dns utility
touch
: 
create a file