Resources for learning bash/shell scripting in GNU/Linux

1. Where can I learn bash scripting?
2. What is the best way to learn bash scripting?
3. How can I improve my shell scripting skills?
4. Is Shell Scripting easy to learn?
5. How many days will it take to learn shell scripting?
6. What is difference between bash and sh?
7. What is bash in coding?
8. How do I master bash script?
9. How do I run a bash script?
10. Is bash scripting worth learning?
11. How do you automate a script in Linux?
12. How do I make my shell script run faster?

Where can I learn bash scripting?

6 FREE Courses to Learn Shell Scripting in Linux

• Intro to Linux Shell Scripting (Free course) ...
• Bash Shell scripting (10 -hours of free content) ...
• Red Hat Enterprise Linux Shell Scripting Fundamentals. ...
• Linux shell & scripting tutorial. ...
• Linux Command Line Made Easy. ...
• Practical Bash Scripting On Linux and Mac OSX.

What is the best way to learn bash scripting?

Top Free Resources to Learn Shell Scripting

1. Learn Shell [Interactive web portal] ...
2. Shell Scripting Tutorial [Web portal] ...
3. Shell Scripting – Udemy (Free video course) ...
4. Bash Shell Scripting – Udemy (Free video course) ...
5. Bash Academy [online portal with interactive game] ...
6. Bash Scripting LinkedIn Learning (Free video course)

How can I improve my shell scripting skills?

10 tips to improve Performance of Shell Scripts

1. #!/usr/bin/sh cnt=1 while [ $cnt -ne 100 ] do echo $cnt >> file let cnt=cnt+1 done.
2. #!/usr/bin/sh cnt=1 while [ $cnt -ne 100 ] do echo $cnt let cnt=cnt+1 done > file.
3. $ cat test.sh #!/usr/bin/sh cnt=1 for i in `cat file` do DT=`date '+%Y%m%d'` FILE=$i_$DT echo $cnt > $FILE let cnt=cnt+1 done.

Is Shell Scripting easy to learn?

Well, with a good understanding of Computer Science, the so-called "practical programming" is not that difficult to learn. ... Bash programming is very simple. You should be learning languages like C and so forth; shell programming is rather trivial compared to these.

How many days will it take to learn shell scripting?

Unix Shell Scripting – UNX500 – 3 Days

Students learn to read, write, and debug Unix shell scripts, thus increasing productivity by taking full advantage of the UNIX shell. Unix Shell scripts, are the means by which a UNIX™ shell is used as a programming language.

What is difference between bash and sh?

sh (Bourne shell) is a shell command-line interpreter, for Unix/Unix-like operating systems. It provides some built-in commands. ... Bash (Bourne again shell) is a shell replacement for the Bourne shell. Bash is superset of sh.

What is bash in coding?

Bash is the shell, or command language interpreter, for the GNU operating system. The name is an acronym for the ' Bourne-Again SHell ', a pun on Stephen Bourne, the author of the direct ancestor of the current Unix shell sh , which appeared in the Seventh Edition Bell Labs Research version of Unix.

How do I master bash script?

By the end of the course you'll be writing your own Shell Scripts, in particular you will learn how to:

1. Use the command line.
2. Automate tasks using Shell Scripts.
3. Create and use variables in your scripts.
4. Manipulate variables to a wide extent.
5. Use Wildcards.
6. Use Input and output Redirection.
7. Source subshells.

How do I run a bash script?

Make a Bash Script Executable

1. 1) Create a new text file with a . sh extension. ...
2. 2) Add #!/bin/bash to the top of it. This is necessary for the “make it executable” part.
3. 3) Add lines that you'd normally type at the command line. ...
4. 4) At the command line, run chmod u+x YourScriptFileName.sh. ...
5. 5) Run it whenever you need!

Is bash scripting worth learning?

Yes, it still is an excellent glue language for doing stuff quickly. For most things that involves files, commands and streams of text, having a good file pipeline and some grasp of bash, will be immensely faster & more efficient than your python code to write.

How do you automate a script in Linux?

Creating a set of requirements for new scripts. Creating simple Bash shell scripts from command-line interface (CLI) programs. Enhancing security through using the user ID (UID) running the script. Using logical comparison tools to provide execution flow control for command-line programs and scripts.

How do I make my shell script run faster?

There are few ways to make your shell (eg Bash) execute faster. Try to use less of external commands if Bash's internals can do the task for you. Eg, excessive use of sed , grep , awk et for string/text manipulation. If you are manipulating relatively BIG files, don't use bash's while read loop.