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Asked by Ravikumar Last Modified
Unix Training: Understanding the Difference between cat
and vi
Commands
Introduction: In the realm of Unix commands, cat
and vi
serve distinct purposes, catering to different needs in the Unix environment. As an experienced tutor registered on UrbanPro.com specializing in Unix training, let's delve into the nuances of these commands.
1. cat
Command:
Functionality:
Syntax:
cat [options] [file(s)]
Use Cases:
Example:
cat file1.txt cat file1.txt file2.txt > combined.txt
2. vi
Command:
Functionality:
Modes:
vi
operates in different modes: Basic Commands:
i
for Insert, Esc
for Command.:w
vi
: :q
(or :wq
to save and quit).Use Cases:
Example:
vi newfile.txt # [In vi, press 'i' to enter Insert Mode, make changes, then press 'Esc' and ':wq' to save and exit]
Conclusion: In summary, while the cat
command is geared towards displaying file content and concatenation, the vi
command serves as a versatile text editor for creating and modifying files. Both commands play crucial roles in the Unix ecosystem, addressing different aspects of file manipulation and text editing. As part of Unix online coaching, understanding the distinctions between these commands is fundamental for efficient Unix system navigation and management.
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