The right way to Use the ‘extra’ Command in Linux

The extra Linux command is a formidable software that permits customers to view textual content recordsdata within the terminal one display screen at a time. It’s an crucial command for any individual who often works with huge textual content recordsdata. Through breaking down the content material into manageable chunks, the extra command complements clarity and navigation, making it more straightforward to investigate and perceive the knowledge inside the record.

Very similar to the extra command, the much less command provides further flexibility and contours, equivalent to backward navigation. Each instructions are often used for viewing log recordsdata, configuration recordsdata, and different textual content paperwork inside the Linux atmosphere. For the ones having a look to mix instructions for extra complicated duties, the extra command can be utilized along equipment like grep to seek for explicit patterns inside of a record.

The right way to Use extra

1. Viewing a Record

Syntax: extra [filename]

Clarification: Presentations the content material of a record one display screen at a time.

Instance: extra myfile.txt

Output:

That is line 1
That is line 2
--Extra--(10%)

The output presentations the primary few strains of myfile.txt and signifies that 10% of the record has been displayed. Urgent the spacebar will display the following display screen of content material.

2. Viewing More than one Information

Syntax: extra file1 file2 ...

Clarification: Presentations the contents of a couple of recordsdata sequentially.

Instance: extra file1.txt file2.txt

Output:

Contents of file1.txt
--Extra--(record 1 of two)

The output presentations the contents of file1.txt and signifies that it’s the primary of 2 recordsdata. You’ll be able to navigate throughout the recordsdata the usage of the similar controls as viewing a unmarried record.

3. Looking out Inside of a Record

Syntax: extra [filename], then sort /trend to go looking.

Clarification: Lets in looking for a particular trend inside the record.

Instance: extra myfile.txt, then sort /line 3

Output:

That is line 3
--Extra--(20%)

After opening myfile.txt with extra, typing /line 3 searches for the textual content line 3 and shows the corresponding line, indicating that 20% of the record has been displayed.

4. Viewing a Record with Line Numbers

Syntax: extra -n [filename]

Clarification: Presentations the content material of a record with line numbers.

Instance: extra -n myfile.txt

Output:

1 That is line 1
2 That is line 2
--Extra--(10%)

The output presentations the primary few strains of myfile.txt with line numbers, and signifies that 10% of the record has been displayed.

5. Viewing a Record with a Particular Selection of Strains according to Display

Syntax: extra -num [filename]

Clarification: Presentations the content material of a record with a particular selection of strains according to display screen.

Instance: extra -5 myfile.txt

Output:

That is line 1
That is line 2
That is line 3
That is line 4
That is line 5
--Extra--(25%)

The output presentations the primary 5 strains of myfile.txt and signifies that 25% of the record has been displayed.

6. Piping Output to “extra”

Syntax: [command] | extra

Clarification: Pipes the output of some other command thru extra to view it one display screen at a time.

Instance: ls -l | extra

Output:

-rw-r--r-- 1 consumer consumer 1234 Jan 1 12:00 file1.txt
-rw-r--r-- 1 consumer consumer 5678 Jan 1 12:01 file2.txt
--Extra--

The output presentations the lengthy list of recordsdata within the present listing, exhibiting them one display screen at a time. The --Extra-- recommended signifies there’s extra content material to view.

7. Viewing a Record and Exiting at the First Fit of a Trend

Syntax: extra +/trend [filename]

Clarification: Opens the record and jumps without delay to the primary incidence of the required trend.

Instance: extra +/line3 myfile.txt

Output:

That is line 3
That is line 4
--Extra--(20%)

The output presentations the content material ranging from the primary incidence of line3 in myfile.txt, indicating that 20% of the record has been displayed.

Extra Linux instructions:

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