How To Hack Any Wireless Password (Linux Basic Commands) Complete Course

These are the basic linux commands

Hope these will be useful

1. ls -l for listing the files as well as directories those are kept in the particular working directory

syntax

root@nettech root#ls -l

2. ls -la same as 'ls -l'but by this command we can also see the hiden files.

syntax

root@nettech root#ls -la

3. ls -li same as 'ls -la' but it will also shows us the inode number of each and every file

syntax

root@nettech root#ls -li

4. ls by this command we can see only file name nothing else syntax

root@nettech root#ls

5. clear it will clear the screen short cut ctl+l syntax

root@nettech root#clear

6. exit to end a current session as well current terminal logging syntax

root@nettech root exit

7. touch to create a new empty file syntax

root@nettech root#touch

8. cd to change the working present directory syntax

root@nettech root cd  home mango

where ' home mango' is the desired directory to be change from

' root'

9.catto view the contents of a file and it is also used for creating a new file with some contents

syntax

root@nettech root cat file name to view file contents

root@nettech root#cat newfilename ENTER,then you can write something in the file and then to save the file contents press clt+d then enter

10. mkdir to make a new directory syntax

root@nettech root mkdir newdirname

you can also create a directory at your desired path without changing your present working directory

syntax

root@nettech root#mkdir homemangonewdirname

11. rm to remove a empty file syntax

root@nettech root#rm filename

12. rmdir to remove a empty directory syntax

root@nettech root#rmdir directoryname

13. rm to remove a directory with its subdirectories as well as its files that is to remove a directory which already contains some files in it syntax

root@nettech root#rm -i directory filename

-i stands for interactively

-r stands for recursively

-f stands for forcefully

14. cp to copy something in a destination file or directory syntax

root@nettech root#cp sourcepath destinationpath

example: root@nettech root#cp homemango webmin.rpm root abcd

in this example the webmin.rpm file will be copied in

 root abcd directory

15. mv to move one file or directory from one place to another place, it is also used for renaming adirectory or file

syntax

root@nettech root#mv source destination

root@nettech root#mv oldfilename newfilename to change the file name

16. man to view the mannual page of commands for syntax syntax

root@nettech root#man commandname

17. info to view the information about any command syntax

root@nettech root#mkdir info

18.--help to view the help doccuments of a command syntax

root@nettech root#commandname --help

19. dir to view the subdirectories and filesn under the directory syntax

root@nettech root#dir

20. su - to become a super user syntax

mango@nettech mango$su - output wil be root@nettech root#

21. who by this command you can see the user name and their ip addresses who have loged in on your server

syntax

root@nettech root#who

22. whoami this command shows your current logged in terminal user name syntax

root@nettech root#whoami

23. who am in his command shows you the logged in terminal number and user name and more detailed information

syntax

root@nettech root#who am i

24. pwd to view the present working directory syntax

root@nettech roo#pwd

25. rpm -ivh to intall a rpm package syntax

root@nettech root#rpm -ivh packagename.rpm

rpm stands for 'redhat package manager'

-i stands for INSTALL

-v stands for verbose mode

-h stands for with hash sign

26. rpm -q to querry about any rpm package syntax

root@nettech root#rpm -q packagename

27. rpm -e to uninstall a rpm package synatx

root@nettech root#rpm -e package

28. find  -name to find any file or directory in linux file system syntax

root@nettech root#find  -name filename

29.su username to switch from one user to another users home directory syntax

root@nettech root#su mango output will be mango@nettech root#cd mango@nettech mango#

30. su - username to switch from one user to another user users home directory directly

syntax

root@nettech root#su - mango

31. useradd to create a new user synatx

root@nettech root#useradd username

32. passwd to give a password of a user syntax

root@nettech root passwd tarun output will be

give a password for user tarun:here you have to type a password for tarun user confirm password:again type the same password

33. userdel to remove a user from linux syntax

root@nettech root#userdel tarun

34. groupadd to add a new group syntax root@nettech root#groupadd groupname

35. gruopdel to delete a group syntax

root@nettech rootgroupdel groupname

36. chown to change the ownership of a file or directory syntax

root@nettech root#chown ownername filen