Basics Ubuntu Terminal commands

Some basics command to use terminal in Ubuntu Linux

S. NO	COMMAND	EXAMPLE	BRIEF DESCRIPTION
1.	cd <folder_name>	ntf-22@NTF-22:~$ cd /home/ntf-22/	To enter in a folder
2	cd  ..	ntf-22@NTF-22:~$ cd ..	exit from a folder
3	cd  /..	ntf-22@NTF-22:~$ cd /..	Exit from all folder and move at root
4	pkill  <software_name>	ntf-22@NTF-22:/$ pkill geany	Used to close specific software.
5	<software name>	ntf-22@NTF-22:/$ geany	Open directly through terminal
6	ssh username@domain	ntf-22@NTF-22:~$ ssh ntf-15@192.168.1.101	Connect other system using terminal
7	sudo mv frompath topath	ntf-22@NTF-22:/$ sudo mv opt/lampp/htdocs/swati-drupal home/ntf-22/Downloads	Move folder from terminal
8	sudo frompath/foldername  topath/folderRename	ntf-22@NTF-22:/$ sudo mv opt/lampp/htdocs/swati-drupal home/ntf-22/Downloads/swati-move	Move and Rename  folder using terminal
9	grep sshd /var/log/auth.log	ntf-22@NTF-22:~$ grep sshd /var/log/auth.log	Know whoes access your system and when .
10	gksu gedit /etc/hosts	ntf-22@NTF-22:~$ gksu gedit /etc/hosts	Search your website which you want to unblock and delete, if you want to block add url of the site.
11	mkdir <filename>	ntf-15@NTF-15:~/Music$ mkdir tt	Creating folder using command
11	rmdir <filename>	ntf-15@NTF-15:~/Music$ rmdir tt	Remove Folder Using command.
12	pwd	ntf-15@NTF-15:~$ pwd	Print Current Working Directory Show in which directory are you working.
13	ls	ntf-15@NTF-15:~$ ls	Print List of Directory
14	history -c	ntf-22@NTF-22:/$ history -c	Clear history of open terminal.
15	cp -R source destination	ntf-22@NTF-22:~/Downloads$ cp -R /home/ntf-22/Downloads/testing /home/ntf-22/Desktop/	Copy and paste from terminal you can also copy and paste your file
16	zip -r folder.zip folder	ntf-22@NTF-22:~/Downloads$ zip -r testing.zip /home/ntf-22/Downloads/testing	Create zip file using terminal
17	pathwhereyouwanttoxtract$ unzip folder.zip	ntf-22@NTF-22:~/Downloads$ unzip drupal8.zip	Extract folder using terminal
18	$ passwd	ntf-22@NTF-22:~$ passwd	Change password for system
19	$ scp source_path  user@domain:/destinationpath	ntf-22@NTF-22:~$ scp /home/ntf-22/Downloads/test.php ntf-15@192.168.1.101:/home/ntf-15/Desktop	Put file in other system
20	$ scp user@domain:/path yourpath	ntf-22@NTF-22:~$ scp ntf-15@192.168.1.101:/home/ntf-15/Desktop/t.png /home/ntf-22/Desktop/	Get from other system
21	php -m	ntf-22@NTF-22:~$ php -m	it shows the list of enable module in php
22	php -m | grep <name of extention>	ntf-15@NTF-15:/$ php -m | grep ctype	Checking extension enable or not in your php server
23	sudo apt-get install php7.0- <name of extention>	ntf-15@NTF-15:/$ sudo apt-get install php7.0-dom	To install php extension in server