Linux common Commands--cat, more, less, head, tail

1. Cat Action and Usage:

Cat [-option] File name

NAME

cat-concatenate files and print on the standardized output connection file and display standard outputs

-N Displays the contents of the file with line numbers.

-e Displays end-of-line terminator for each line

-T Display tab

-A Show All content

The TAC is displayed from the tail line to the first line.

2, more role and usage:

More [-option] file name

NAME

More-file perusal filter for CRT viewing split screen view file contents

more/etc/passwd

3. Less effect and usage:

Less [-option] file name

NAME

Less-opposite of more

4. Head function and Usage:

Head [-option] file name

NAME

Head-output the first part of the files output shows the previous lines

-N Displays the first n rows, showing the first 10 rows by default

5. Tail function and Usage:

tail [-option] File name

NAME

Tail-output the last part of the files output shows the following lines

-N Displays the following n rows, showing the following 10 rows by default

-F View the end of the file does not exit the view status, waiting to display the next append to this file new content, press CTRL + C exit

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Linux common Commands--cat, more, less, head, tail