# Git - Commit Changes

Jerry has already committed the changes and he wants to correct his last commit. In this case, **git amend** operation will help. The amend operation changes the last commit including your commit message; it creates a new commit ID.

Before amend operation, he checks the commit log.

```
[jerry@CentOS project]$ git log
```

<div class="open_grepper_editor" id="bkmrk-" title="Edit & Save To Grepper">  
</div>The above command will produce the following result.

```
commit cbe1249b140dad24b2c35b15cc7e26a6f02d2277
Author: Jerry Mouse <jerry@tutorialspoint.com>
Date: Wed Sep 11 08:05:26 2013 +0530

Implemented my_strlen function


commit 19ae20683fc460db7d127cf201a1429523b0e319
Author: Tom Cat <tom@tutorialspoint.com>
Date: Wed Sep 11 07:32:56 2013 +0530

Initial commit
```

<div class="open_grepper_editor" id="bkmrk--0" title="Edit & Save To Grepper">  
</div>Jerry commits the new changes with -- amend operation and views the commit log.

```
[jerry@CentOS project]$ git status -s
M string.c
?? string

[jerry@CentOS project]$ git add string.c

[jerry@CentOS project]$ git status -s
M string.c
?? string

[jerry@CentOS project]$ git commit --amend -m 'Changed return type of my_strlen to size_t'
[master d1e19d3] Changed return type of my_strlen to size_t
1 files changed, 24 insertions(+), 0 deletions(-)
create mode 100644 string.c
```

<div class="open_grepper_editor" id="bkmrk--1" title="Edit & Save To Grepper">  
</div>Now, git log will show new commit message with new commit ID −

```
[jerry@CentOS project]$ git log
```

<div class="open_grepper_editor" id="bkmrk--2" title="Edit & Save To Grepper">  
</div>The above command will produce the following result.

```
commit d1e19d316224cddc437e3ed34ec3c931ad803958
Author: Jerry Mouse <jerry@tutorialspoint.com>
Date: Wed Sep 11 08:05:26 2013 +0530

Changed return type of my_strlen to size_t


commit 19ae20683fc460db7d127cf201a1429523b0e319
Author: Tom Cat <tom@tutorialspoint.com>
Date: Wed Sep 11 07:32:56 2013 +0530

Initial commit
```