A shell interpreter is a program that reads and executes commands entered by a user in a command-line interface. It interprets the commands and communicates with the operating system to carry out the requested tasks. Popular shell interpreters include Bash, sh, and PowerShell.
It is the command interpreter: command.com
A bashism is a shell command specific to the Bash interpreter.
Bash shell scripting is the process of writing a series of commands in a text file that are recognized by the bash shell interpreter.
A shell in Linux is the interpreter that provides a commandline interface (CLI). There are many kinds of shells.
It is the command interpreter: command.com
Shell
A command interpreter is a program that converts the human written commands into the machine understandable language through the i/o devices. It is with the help of this interpreter we can actually communicate with the operating systems. A command interpreter is a separate program but can be referred as a component of an operating system.
shell
If the shell script is readable and executable then to execute it just type the name of the shell script file. Otherwise, you can explicity call a shell interpreter to run the file as a shell script, i.e., ksh myfile
interactive interpreter more like a "shell" (if you're a unix person).
KSH is an abbreviation for korn shell. Korn shell is a command interpreter for the Unix programming language. It was written in 1983 by David Korn at Bell Labs.
The special line at the beginning of the script is only necessary if you want the script to be run by a certain command interpreter that is different from your logon shell or because you don't know what environment the user of the shell might be running in. It is a special comment line that looks like: #!/command-name such as: #!/usr/bin/ksh which causes the ksh interpreter to be used for the rest of the shell script.