A "shell" is any software that provides an interface to an operating system. For instance, explorer.exe is the default shell in Windows (though alternatives exist), and on OS X Finder provides much of the …

Feb 28, 2015 · 692 I read that terminal is nothing but shell, and Unix provides different flavors of shells: Bourne shell (sh) C shell (csh) TC shell (tcsh) Korn shell (ksh) Bourne Again shell (bash) Questions: …

The shell is the program which actually processes commands and returns output. Most shells also manage foreground and background processes, command history and command line editing.

Aug 4, 2014 · In unix circles, shell has specialized to mean a command-line shell, centered around entering the name of the application one wants to start, followed by the names of files or other …

Nov 30, 2016 · Let's say, I opened a terminal and entered / executed some shell commands. But I didn't invoke explicitly Bash or any other shell. What shell was used by default?

Jun 12, 2015 · I'm writing a makefile that will clean up some useless files at the end of the compilation. If a target has already been made, it will of course skip that target and the useless file may not be th...

One answer was to use single quotes instead of double quotes, however, that's quite the full correct answer. What you really want to do is defer evaluation of the code inside your prompt until the …

Aug 27, 2011 · The variable will be set for the rest of the shell session or until unset. To set an environment variable everytime, use the export command in the .bashrc file (or the appropriate …

The shell is the command interpreter that takes your input, provides output back to the screen, to the correct files, etc, and provides all the basic built-in commands you need to manage jobs, kill, test …

Feb 3, 2017 · A shell running a script is always a non-interactive shell. Simply put: Interactive shell require user input, while non-interactive shell are run by scripts and don't require user inputs.