Computer Science, asked by BansriShah3850, 11 months ago

The meaning of all metacharacters and which is commonly used by scripts running other commands on such systems

Answers

Answered by pradipmondaleightyon
0

Explanation:

Step-by-step solution:

Step 1 of 5

Linux/UNIX Bourne shell:

• The Bourne shell is a command line interpreter for the Linux/UNIX.

o In the Bourne shell, the scripts will invoked as commands by invoking its file name.

o It allows both synchronous and asynchronous execution of commands.

o It provides a set of built-in commands.

o It has typeless variables and provides local and global variable scope.

• Meta-characters of Linux/UNIX Bourne shell:

o The *, ?, [] used as a file name expansion characters in the Bourne shell.

o The &, ‘, \\, {}, >, <, >>, (), ;, /, | are used as a input output redirection characters.

Linux/UNIX Bash:

• The Bash is a UNIX shell command process it runs in a text window.

o Bash is a superset of Bourne shell command syntax.

o Most of the Bourne scripts will be executed in Bash without modification.

o Bash also reads the commands from the file called a script.

• Meta-characters of Linux/UNIX Bash shell:

o The *, ?, [] used as a file name expansion characters in the Bourne shell.

o The &, ‘, \\, {}, >, <, >>, (), ;, /, |, $, ||, && are used as a input output redirection characters

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