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Editor: Robert Robertson
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GNU bash may be started in any combination of various invocation modes.
These modes control:
 * The source from which to intruperate commands:
  * user's terminal
  * shell script
  * command string
  * file contents
  * standard input
 * POSIX compatibality
 * Login shell mode
 * Security settings
 * Restricted Shell access

[[/InteractiveShell]]
Line 16: Line 31:
==== POSIX Mode ====

Contents

  1. Invocation Modes
    1. Login Shell
    2. POSIX Mode
    3. Command String
    4. Interactive Shell
      1. Command Line
      2. Prompting
      3. Completion
      4. History
      5. Job Control
    5. Shell Script
    6. Command File
    7. Command Stream
    8. Restricted Shell

1. Invocation Modes

Mode

Bash

POSIX Shell

LoginShell

-bash [options]

-sh

bash -l [options]

sh -l

bash --login [options]

sh --login

CommandString

bash -c 'command' [options]

sh [options] -c 'command'

Interactive Shell

bash -i

sh -i

Shell Script

#!/bin/bash [option]

#!/bin/sh [option]

Command File

bash [options] file [args]

sh [options] file [args]

Command Stream

bash [options] -s [SHELL [ARGS]]

sh [options] -s [SHELL [ARGS]]

GNU bash may be started in any combination of various invocation modes. These modes control:

  • The source from which to intruperate commands:
    • user's terminal
    • shell script
    • command string
    • file contents
    • standard input
  • POSIX compatibality
  • Login shell mode
  • Security settings
  • Restricted Shell access

/InteractiveShell

1.1. Login Shell

  • Login Shell

1.2. POSIX Mode

1.3. Command String

1.4. Interactive Shell

1.4.1. Command Line

1.4.2. Prompting

1.4.3. Completion

1.4.4. History

1.4.5. Job Control

1.5. Shell Script

1.6. Command File

1.7. Command Stream

1.8. Restricted Shell

bash/invocation/mode (last edited 2017-10-20 16:46:01 by Robert Robertson)