Book Image

Linux Shell Scripting Essentials

By : Sinny Kumari, Khem Raj
Book Image

Linux Shell Scripting Essentials

By: Sinny Kumari, Khem Raj

Overview of this book

Table of Contents (15 chapters)
Linux Shell Scripting Essentials
Credits
About the Author
About the Reviewers
www.PacktPub.com
Preface
Index

Command completion


While working on a command line, everyone has to do a common task such as typing, which includes commands, its options, input/output file path, and other arguments. Sometimes, we write a wrong command name because of a spelling error in the command name. Also, typing a long file path will be very difficult to remember. For example, if we want to look recursively into the contents of a directory present at the path /dir1/dir2/dir3/dir4/dir5/dir6, we will have to run the following command:

$ ls -R /dir1/dir2/dir3/dir4/dir5/dir6

We can see that the path of this directory is very long and there is a high chance of making an error while typing the full path. Due to these issues, working on a command line will take a longer time than expected.

To solve all these problems, shell supports a very nice feature called command completion. Along with the other shell, bash also has a very good support of command completion.

Most of the Linux distributions, for example, Fedora, Ubuntu...