Shell Scripting
bash is
Bourne-Again Shell.
Few
commands: type -a ls (o/p: ls is /bin/ls)
type -a
history => history is a shell built-in command
Hello-World
Script(test.sh)
#!/bin/bash
echo
"Hello World!"
save
the file with above content and give +x permission using "chmod +x
tesh.sh" and execute using "./test.sh"
First
line is called "shebang" or a "bang" line.
Variables
and printing variables:
#!/bin/bash
echo
"Enter your name:"
read
NAME
echo
"Thank you $NAME"
In
above script NAME is a variable. read is used to get INPUT from the user
and store it in variable NAME and print the value using $NAME
