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In computing, a shell is a user interface for access to an operating system's services. In general, operating system shells use either a command-line interface (CLI) or graphical user interface (GUI), depending on a computer's role and particular operation. It is named a shell because it is a layer around the operating system kernel. | |||
==OS/2 Config.sys information about the Shell== | |||
*PROTSHELL - CONFIG.SYS command to define protected mode shell | *PROTSHELL - CONFIG.SYS command to define protected mode shell | ||
:Example: <code><br> PROTSHELL=C:\OS2\PMSHELL.EXE</code> | :Example: <code><br> PROTSHELL=C:\OS2\PMSHELL.EXE</code> | ||
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*OS2_SHELL - Environment variable | *OS2_SHELL - Environment variable | ||
:Example: <code><br> SET OS2_SHELL=C:\OS2\CMD.EXE</code> | :Example: <code><br> SET OS2_SHELL=C:\OS2\CMD.EXE</code> | ||
[[Category:Glossary]] |
Revision as of 17:02, 18 July 2017
In computing, a shell is a user interface for access to an operating system's services. In general, operating system shells use either a command-line interface (CLI) or graphical user interface (GUI), depending on a computer's role and particular operation. It is named a shell because it is a layer around the operating system kernel.
OS/2 Config.sys information about the Shell
- PROTSHELL - CONFIG.SYS command to define protected mode shell
- Example:
PROTSHELL=C:\OS2\PMSHELL.EXE
- SHELL - CONFIG.SYS command to define DOS command interpreter
- Example:
SHELL=C:\OS2\MDOS\COMMAND.COM C:\OS2\MDOS /P
- OS2_SHELL - Environment variable
- Example:
SET OS2_SHELL=C:\OS2\CMD.EXE