Bash - Interactive Shell

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An interactive shell is when bash is:



When invoking an interactive shell, you can set the positional parameters with the -s option of bash. See Bash - Bash cli

Testing for Interactive mode

  • Testing for Interactive mode
if [[ $- == *i* ]]
    echo "Interactive"


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Bash - (Builtin|Intern|System|Reserved|Shell) variable name

Reserved variable name are named that have a special meaning for the bash shell. PS1 defines the shell's command-line prompt. HOME defines the home directory for a user. PATH defines a list...
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Bash - Bash cli

Bash is an sh-compatible a shell that executes commands read: from the standard input or from a file (script). In addition to the single-character shell options documented in the description...
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Bash - Comment

in bash Multiline In a non-interactive shell, or an interactive shell in which the interactive_comments...
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Bash - Exec (No New Process) - builtin command

If command is specified, it replaces the shell. No new process is created. The shell terminates. where: arguments become the arguments to command. -l the shell places a dash at the beginning...
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Bash - Set (of Bash Options)

The set builtin command can be specify shell option. When options are specified, they set or unset shell attributes. Without options, the name and value of each shell variable are displayed in a...
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Bash - Text Editing

By default, the line editing commands are similar to those of Emacs. A vi-style line editing interface is also available. Manipulating the text as you type it in. See: for word completion: for...
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What is a Login Shell?

A login shell executes: the login script (behaves as if the user were login) the logout script (at the end of the session) A login shell is a shell: whose first character of argument zero ($0)...

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