Program

Jerry commits (deposits) the changes and he wants to correct them for his recent commits. In this case, the function git commit -a will help do this. This function changes the

Jerry modifies the previous commits using the git commit -a operation (signing changes) and he is ready to push the changes. Push operation saves permanent data to Git repository.

Tom performs the simulation operation and sees a new file string.c. He wants to know who added this file to the repository and for what purpose, so he runs the git log command.

Suppose you are implementing a new feature of your product. Your code is in progress, suddenly a visitor. Because of this, you have to go out for a few hours. You cannot commit

GitHub is a social network for programmers for software development projects using git revision management system. It also has a standard GUI application for direct download

So far, both Tom and Jerry are using manual commands to compile their projects. Now, Jerry decided to create a Makefile for the project and also put a name for the file string.c.

Tom updates the local repository and finds the compiled binary in the src directory. After observing the commit message, he realizes that this code is added by Jerry.

Being human, everyone makes mistakes. So each VCS provides a feature to fix errors at some point. Git provides a feature that we can use to undo the modifications made on the

Tag operation allows to provide meaning names for specific versions in the repository. Suppose Tom and Jerry decide to tag them into their project code so that they can then

The patch is a text file, its content is similar to git diff, but in parallel with the code, it also has metadata about commits such as commit IDs, dates, commit messages ... We

Branch operations allow creating different routes of development. We can use this activity to branch the development process into two different directions. For example, we

Jerry is working on the wchar_support branch. He changes the name of the feature and after checking, he repository his changes.

GNU / Linux and Mac OS use line-feed (LF), or a new line when line-ending characters while Windows uses line-feed combination and carriage-return (LFCR) to signify The ending of

While writing a Shell script, there may be a situation when you need to follow an external path 2 provided. So you need to create usage of conditional commands that allow your

A loop is a program that has powerful features, allowing you to repeat a set of commands. In this chapter, you will learn through practical examples of loops contained in shell

The previous chapter has been shown how to create loops and work with them to perform various tasks. Sometimes you need to stop a loop or continue their repetitive process.

Shell does the magic when it encounters an expression that contains one or more special characters.

Shell provides a variety of characters that have special meaning while using them in any Shell script and cause a limit of a word unless quoted.

Most Unix system commands receive input from your terminal and send the output back to your terminal. A command usually reads its input from a location called standard input,

Functions allow you to streamline an overall feature of a script into a smaller and more logical part that can perform the same function whenever it is needed through the function