What is a UNIX / Linux Shell ?
A UNIX or Linux shell is a command-line interpreter or shell that provides a traditional UNIX-like command line interface ( CLI ). ----------------------------------------------- Logging in and starting a Unix session ----------------------------------------------- Use putty or other utility to connect to the UNIX / Linux host •At login prompt enter the login id and then the password •Upon entering the id/password you will get a prompt ( which is the shell prompt ) •echo $SHELL To watch the video click here The commonly used Shells and the default prompts are •sh ( Bourne Shell ) $ •ksh ( Korn Shell ) $ •csh ( C Shell ) % •bash ( Bourne again Shell ) bash$ NOTE : Most of the commands like grep, find, ls, cp, mv etc... are not the Shell commands. These are the utilities ( executable files ) which are installed with UNIX / Linux. Also, note that in a stricter sense, Linux is only the Kernel ...