AWS – EC2 Instance – Commands

You will learn the frequently used commands in this article for EC2 instances running the Linux/CentOS operating system.

Sl	Command	Description
1	ls	This command helps in listing out the files and directories in the directory.
2	mv	This command moves the files or directories from one to another location.
3	cp	This command helps in copying a file.
4	sudo	This command is used to utilize admin privileges.
5	chmod	This command changes the permissions of a file
6	chown	This command changes the ownership of a file
7	rm	This command is used to remove files/directories
8	cat	This command is used to display the content of a file
9	tail	This is used to display the last part of a file. Useful on log files
10	find	This is used to search the given directory for name string and display it
11	pwd	present working directory
12	adduser	To create a new user
13	mkdir	To create a directory
14	nano	To bring the file in read and write mode
15	vi	To bring the file in read and write mode
16	who	Displays the currently logged on user
17	ps	Displays the list of currently running processes and process identifiers (PID)
18	uname	Displays the Installed operating system
19	hostname	Displays the host information. IP address and zone
20	kill	It terminate a running process