How To Create And Run A Script In Ubuntu

ubuntu@ubuntu-virtual-machine:~/Desktop$ cd ~

ubuntu@ubuntu-virtual-machine:~$ ls

Desktop  Documents  Downloads  Music  Pictures  Public  snap  Templates  Videos

ubuntu@ubuntu-virtual-machine:~$ 

ubuntu@ubuntu-virtual-machine:~$ cat /etc/shells

# /etc/shells: valid login shells

/bin/sh

/bin/bash

/usr/bin/bash

/bin/rbash

/usr/bin/rbash

/usr/bin/sh

/bin/dash

/usr/bin/dash

ubuntu@ubuntu-virtual-machine:~$ 

ubuntu@ubuntu-virtual-machine:~$ echo $SHELLS

ubuntu@ubuntu-virtual-machine:~$ 

ubuntu@ubuntu-virtual-machine:~$ ls

Desktop  Documents  Downloads  Music  Pictures  Public  snap  Templates  Videos

ubuntu@ubuntu-virtual-machine:~$ cd Desktop/

ubuntu@ubuntu-virtual-machine:~/Desktop$ cat > helloworld.sh

#!/bin/bash

echo "Hello WOrld, I'm learing Bash Scripts"

ubuntu@ubuntu-virtual-machine:~/Desktop$ 

ubuntu@ubuntu-virtual-machine:~/Desktop$ 

ubuntu@ubuntu-virtual-machine:~/Desktop$ 

ubuntu@ubuntu-virtual-machine:~/Desktop$ 

ubuntu@ubuntu-virtual-machine:~/Desktop$ cat helloworld.sh

#!/bin/bash

echo "Hello WOrld, I'm learing Bash Scripts"

ubuntu@ubuntu-virtual-machine:~/Desktop$ 

ubuntu@ubuntu-virtual-machine:~/Desktop$ 

ubuntu@ubuntu-virtual-machine:~/Desktop$ 

ubuntu@ubuntu-virtual-machine:~/Desktop$ 

ubuntu@ubuntu-virtual-machine:~/Desktop$ 

ubuntu@ubuntu-virtual-machine:~/Desktop$ ./helloworld.sh

bash: ./helloworld.sh: Permission denied

ubuntu@ubuntu-virtual-machine:~/Desktop$ 

ubuntu@ubuntu-virtual-machine:~/Desktop$ 

ubuntu@ubuntu-virtual-machine:~/Desktop$ ls -l helloworld.sh

-rw-rw-r-- 1 ubuntu ubuntu 57 জানু      22 20:54 helloworld.sh

ubuntu@ubuntu-virtual-machine:~/Desktop$ chmod +x helloworld.sh

ubuntu@ubuntu-virtual-machine:~/Desktop$ ls -l helloworld.sh

-rwxrwxr-x 1 ubuntu ubuntu 57 জানু      22 20:54 helloworld.sh

ubuntu@ubuntu-virtual-machine:~/Desktop$ 

ubuntu@ubuntu-virtual-machine:~/Desktop$ 

ubuntu@ubuntu-virtual-machine:~/Desktop$ ./helloworld.sh

Hello WOrld, I'm learing Bash Scripts

ubuntu@ubuntu-virtual-machine:~/Desktop$ 

ubuntu@ubuntu-virtual-machine:~/Desktop$ 

ubuntu@ubuntu-virtual-machine:~/Desktop$