Command view in linux

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Большинство дистрибутивов Linux поддерживают команду оболочки, называемую Посмотреть. Эта команда является ярлыком для вызова текстового редактора Vim в режиме только для чтения. Это функционально то же самое, что и выполнение:

$vim -R

Просмотр файлов в Linux

Хотя вы можете, конечно, прочитать файл (при условии, что он не является двоичным файлом) с Vim, как это вызвано Посмотреть , другие общие команды оболочки Linux также представляют некоторые или все текстовые файлы.

Использовать голова чтобы показать начало файла. Включите переключатель командной строки, указав номер, чтобы отобразить определенное количество строк в начале файла. Например, чтобы показать первые пять строк файла magnum_opus.txt, введите:

$head -5 magnum_opus.txt

И наоборот, используйте хвост чтобы показать вам последние 10 строк файла. Бежать хвост с ключом -f для печати новых строк каждый раз, когда файл записывается в конце его — например, с файлами журнала.

Чтобы просмотреть все содержимое файла, используйте Меньше команда. С помощью этой утилиты используйте клавиши со стрелками, чтобы идти туда и обратно по одной линии за раз, или пространство или же В клавиши для перехода вперед или назад на один экран. Нажмите Q для выхода из утилиты.

Pheed Streamed Pay-Per-View Events для вашего мобильного устройства

Pheed был первым приложением, которое транслировало прямые трансляции прямо на ваше мобильное устройство, чтобы вы могли получить доступ к потрясающим развлечениям из любого места.

Split View позволяет использовать две приложения в полноэкранном режиме (OS X El Capitan)

Использование Split View в OS X позволяет работать с двумя приложениями в полноэкранном режиме на одном дисплее.

Как использовать Google Maps Street View

Функция просмотра улиц Google Maps позволяет вам ходить по большинству улиц в Картах Google. Вы можете разглядеть новые места или использовать его для виртуального отдыха.

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5 Commands to View the Content of a File in Linux Command Line

If you are new to Linux and you are confined to a terminal, you might wonder how to view a file in the command line.

Reading a file in Linux terminal is not the same as opening file in Notepad. Since you are in the command line mode, you should use commands to read file in Linux.

Don’t worry. It’s not at all complicated to display a file in Linux. It’s easy as well essential that you learn how to read files in the line.

Here are five commands that let you view the content of a file in Linux terminal.

5 commands to view files in Linux

Before you how to view a file in Unix like systems, let me clarify that when I am referring to text files here. There are different tools and commands if you want to read binary files.

1. Cat

This is the simplest and perhaps the most popular command to view a file in Linux.

Cat simply prints the content of the file to standard display i.e. your screen. It cannot be simpler than this, can it?

cat displays the content of the file on the screen

Cat becomes a powerful command when used with its options. I recommend reading this detailed tutorial on using cat command.

The problem with cat command is that it displays the text on the screen. Imagine if you use cat command with a file that has 2000 lines. Your entire screen will be flooded with the 200 lines and that’s not the ideal situation.

So, what do you do in such a case? Use less command in Linux (explained later).

The nl command is almost like the cat command. The only difference is that it prepends line numbers while displaying the text in the terminal.

nl command displays text with line numbers

There are a few options with nl command that allows you to control the numbering. You can check its man page for more details.

3. Less

Less command views the file one page at a time. The best thing is that you exit less (by pressing q), there are no lines displayed on the screen. Your terminal remains clean and pristine.

I strongly recommend learning a few options of the Less command so that you can use it more effectively.

There is also more command which was used in olden days but less command has more friendly features. This is why you might come across the humorous term ‘less is more’.

4. Head

Head command is another way of viewing text file but with a slight difference. The head command displays the first 10 lines of a text file by default.

You can change this behavior by using options with head command but the fundamental principle remains the same: head command starts operating from the head (beginning) of the file.

5. Tail

Tail command in Linux is similar and yet opposite to the head command. While head command displays file from the beginning, the tail command displays file from the end.

By default, tail command displays the last 10 lines of a file.

Head and Tail commands can be combined to display selected lines from a file. You can also use tail command to see the changes made to a file in real time.

Bonus: Strings command

Okay! I promised to show only the commands for viewing text file. And this one deals with both text and binary files.

Strings command displays the readable text from a binary file.

No, it doesn’t convert binary files into text files. If the binary file consists of actual readable text, strings command displays those text on your screen. You can use the file command to find the type of a file in Linux.

Conclusion

Some Linux users use Vim to view the text file but I think that’s overkill. My favorite command to open a file in Linux is the less command. It leaves the screen clear and has several options that makes viewing text file a lot easier.

Since you now know ways to view files, maybe you would be interested in knowing how to edit text files in Linux. Cut and Paste are two such commands that you can use for editing text in Linux terminal. You may also read about creating files in Linux command line.

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Linux And Unix Command To View File

Linux And Unix Command To View File

• cat command
• less command
• more command
• gnome-open command or xdg-open command (generic version) or kde-open command (kde version) – Linux gnome/kde desktop command to open any file.
• open command – OS X specific command to open any file.

View a text file called foo.txt on a Linux or Unix-like systems

Open the Terminal application and type the following command to view a text file called foo.txt using cat command:
cat foo.txt
OR
cat /etc/resolv.conf
Sample outputs:

You can also use more or less command as follows:

gnome-open: Open files and directories/urls

The gnome-open command opens a file (or a directory or URL), just as if you had double-clicked the file’s icon. The syntax is:

If you are using KDE desktop try kde-open command as follows:

Another option is to try out xdg-open command on Linux and Unix desktop:

If you are using OS X Unix try open command as follows:

How do I list the files in a directory on Unix?

To see or list the files in a directory on Linux, run ls command:
ls
ls -l
If you would like to see and list files in another directory, use the ls along with the path to the directory:
ls /usr/
ls -l /etc/
## just list resolv.conf file #
ls -l /etc/resolv.conf

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Common ls command options

The syntax is:
ls [options] file
Where options for ls are:

• -l : Use a long listing format to display Linux/Unix file names.
• -a : Do not ignore entries starting with . (period). Display all hidden files.
• -d : List Linux directories themselves, not their contents
• -R : List sub-directories recursively on Linux
• -F : Append indicator for file. For example, / for directories, * for executable Linux files, @ for symbolic links and more

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Comments on this entry are closed.

Sometimes the ‘ strings ‘ command is useful if the file is not all text. I seems to pull out text but leave the no text out.

Don’t forget: tac

Although I’ve yet to find a useful purpose for it

this sucks to high heaven,,linix is a pain in arse,,i dont know why anyone would use a fool system like this,,terminals suck,,i do mwean suck. terminals. idiots,,my windows got imploded,,i had to download this ubuntu,,i regret every god dam day of it,,i cant open any files,,cant open downloads or find them,,cant do anything on this. i dont know how or where to look,,terminal. /what the f is that,,how do you work it,,i checked on how to work this. just god dam crap,,you have to go to a college for hackers to know what all this shit is to work your browser,l. who ever made this for the common people. LIED,LIED. this is not for peopole,,its for hackers,,i tried to load windows on it,,it dont even let the software load,,i gues i9 have to delete this shit and then download,,this is shit,,i cant open a zip file,,i go to terminal and dont know what the fuck in doing in terminal. i check and forum say to put in different signalas or symbols i never seen before,,screw this and the dog it road in on. you ubuntu people are a bunch of crooks wanting to charge free for this. yes free is way to much money for this.

The cake is a lie.

The article on the other hand is great. Might use the addition of the most commonly used parameters.
Anyway, thanks. I was like “more” (mooar) 🙂 but forgot that you’re often satisfied with “less”

Hi
thanks a lot

Very useful and handy command to open and view files on Ubuntu desktop. thank you very much

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