A shell is a command-line interpreter and typical operations performed by shell scripts include file manipulation, program execution, and printing text.The various dialects of shell scripts are considered to be scripting languages.
What is
#!/bin/bash?can we write#!/bin/shas well?
#! is called a SHEBANG.This represents which interpreter a script should be interpreted with .
#!/bin/bash This is a header command which represents it is a bash/shell script #!/bin/bash is this is not provided it often considers #!/bin/ sh which would be same in most cases. When you put #!/bin/bash in your script, even if you run the script in a different shell, the kernel will know which shell to interpret it with
Yes, we can use #!/bin/sh in our shell script should be executed by the default shell on the system.
Write a Shell Script which prints
a valid user or invalid user:-
Output
Write a Shell Script which prints
to add two numbers:-
Output
Write a Shell Script which prints
to enter the directory name:-
Output
