How do you display the first 20 lines of a file in Unix?

How do you display the first 20 lines of a file in Unix?

head command example to print first 10/20 lines

1. head -10 bar.txt.
2. head -20 bar.txt.
3. sed -n 1,10p /etc/group.
4. sed -n 1,20p /etc/group.
5. awk ‘FNR <= 10’ /etc/passwd.
6. awk ‘FNR <= 20’ /etc/passwd.
7. perl -ne’1..10 and print’ /etc/passwd.
8. perl -ne’1..20 and print’ /etc/passwd.

Which command is used to print first few lines?

head command
Use the head command to write to standard output the first few lines of each of the specified files or of the standard input.

Which command should I use to display the last 11 lines of a file?

To look at the last few lines of a file, use the tail command. tail works the same way as head: type tail and the filename to see the last 10 lines of that file, or type tail -number filename to see the last number lines of the file.

How do I list top 10 files in Linux?

How to find out top Directories and files in Linux

1. du command -h option : display sizes in human readable format (e.g., 1K, 234M, 2G).
2. du command -s option : show only a total for each argument (summary).
3. du command -x option : skip directories on different file systems.

How to print first 10 lines of file?

awk command example to print first 10/20 lines Type the following awk command to display first 10 lines of a file named “/etc/passwd”: awk ‘FNR <= 10’ / etc /passwd Type the following awk command to display first 20 lines of a file named “/etc/passwd”:

What does the cut command do in Linux?

There are many utilities available in Linux and Unix systems that allow you to process and filter text files. Cut is a command line utility that allows you to cut parts of lines from specified files or piped data and print the result to standard output. It can be used to cut parts of a line by delimiter, byte position, and character.

How to view the first 10 lines of a file in Linux?

How do I display first 10 or 20 lines of a file on Linux or Unix-like systems? You can use any one of the following command on Unix or Linux to view first 10 lines of a file: head command. [donotprint] donotprint] sed command. awk command.

How to print four characters in a line?

The cut command can be used to print characters in a line by specifying the position of the characters. To print the characters in a line, use the -c option in cut command cut -c4 file.txt x u l The above cut command prints the fourth character in each line of the file.