Bash scripting - Linux: This Book Includes 4 Manuscripts. The Underground Bible to the unix operating System with...

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Bog'liq Linux This Book Includes 4 Manuscripts The Underground BibleBash scripting
Bash is drawn from the initials, Bourne Again Shell. Bash is a command
language with syntax. Bash uses natural human language to formulate the
commands. Bash also has additional features such as iteration, job control,
string manipulation, functions, expansion, and more. Each of these Bash
features allows for maximum control and maintenance as well as batch
processing. Bash interprets and processes all commands fed into the shell.
Bash forms a central part of system administration as well as the
development of the system as a whole. A script is basically where a user
writes their command. Linux has bash within its system by default, an
added advantage to hackers. Shell scripting entails leaving the shell to
interpret and execute the command A shell script is a program that shell has
been tasked with to complete.
The bash script is the script that a computer follows when operating. The
script tells the computer what to do or say after the execution of specific
actions. Bash scripting is similar to a play or an act where the actors will
follow and say what the script says or asks them to do. Bash scripting
generally allows the user to use or input any commands that can be used or
executed one by one in a script. Executing commands one by one and daily
can be tedious as well as there would be many mistakes. Therefore it is
essential to ensure that the task is reduced and that matters are automated.
Automation does not only make things more comfortable; it also reduces
mistakes that would otherwise prevent programs from running. Therefore,
to avoid the process of having to execute commands one by one, a script is
used. The script will include all commands necessary for a program to run
being run together.
The development of a bash script only requires one to have basic
knowledge of using the command line. the process has three steps to follow,
as explained below.
Create a bin directory
This is a subdirectory that stores executable programs. This bin acts as a
store or home for the bash scripts that are created. It can be done by
applying the following commands.
cd ~/
mkdir bin
Export bin directory to the PATH
export PATH=/ home / $USER/bin: $PATH
Adding the bin to the PATH allows the user to be able to find the programs
easily. Add your bin directory to your path. Edit your .bashrc file (or
equivalent) to add in ~/bin to your path. copy executables into this bin
directory or create a symbolic link from within your user bin directory to
the executable you want to use .
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Linux: This Book Includes 4 Manuscripts. The Underground Bible to the unix operating System with Tools On Security and Kali Hacking to Understand Computer Programming, Data Science and Command Line
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