How do you display the last line of a file in Unix?

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 see the end of a file in Linux?

The tail command is a core Linux utility used to view the end of text files. You can also use follow mode to see new lines as they’re added to a file in real time. tail is similar to the head utility, used for viewing the beginning of files.

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How do I view the last part of a file?

To prints the last n lines, we use -n or –lines option with the head command as shown below. Suppose we want to display the last four lines of the text.

Syntax.

Sr.No. Option & Description
1 -c, –byte = [-]NUM Display the last NUM bytes of each file. Or -c +NUM to display starting with byte NUM of each file.

How do I display a specific line in a file in Unix?

Write a bash script to print a particular line from a file

  1. awk : $>awk ‘{if(NR==LINE_NUMBER) print $0}’ file.txt.
  2. sed : $>sed -n LINE_NUMBERp file.txt.
  3. head : $>head -n LINE_NUMBER file.txt | tail -n + LINE_NUMBER Here LINE_NUMBER is, which line number you want to print. Examples: Print a line from single file.

Which command will print the last line of a file?

Tail is a command which prints the last few number of lines (10 lines by default) of a certain file, then terminates.

How do I see the last 20 lines of a file in Linux?

To display last 20 lines of a file linux use the tail command. Displays the last 20 lines. The default is 10 if you leave out the -n option.

How do you go to the last line in vi?

To do this, press Esc , type the line number, and then press Shift-g . If you press Esc and then Shift-g without specifying a line number, it will take you to the last line in the file.

How do I get the last line of output in Linux?

Thursday, May 24, 2012

  1. The tail is the most common command used. …
  2. The END label in awk makes it even more easily. …
  3. In sed, $ indicates the last line, and $p tells to print(p) the last line($) only. …
  4. Another option in sed is to delete(d) all the lines other than(!) the last line($) which in turn prints only the last line.
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How do I display the first few lines of a file in Unix?

Type the following head command to display first 10 lines of a file named “bar.txt”:

  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.

How do I go to a line of a file in Linux?

Using the head and tail commands, we can easily get the first and last parts of a file.

  1. First, we get line 1 to X using the head command: head -n X input.
  2. Then, we pipe the result from the first step to the tail command to get the last line: head -n X input | tail -1.

How do I see the last 10 lines of a file in Linux?

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 view a specific line in Linux?

To do so:

  1. Press the Esc key if you are currently in insert or append mode.
  2. Press : (the colon). The cursor should reappear at the lower left corner of the screen next to a : prompt.
  3. Enter the following command: set number.
  4. A column of sequential line numbers will then appear at the left side of the screen.

How do you display the nth line in Unix?

Below are three great ways to get the nth line of a file in Linux.

  1. head / tail. Simply using the combination of the head and tail commands is probably the easiest approach. …
  2. sed. There are a couple of nice ways to do this with sed . …
  3. awk. awk has a built in variable NR that keeps track of file/stream row numbers.
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Which is the following commands are used to display last 10 lines of the file?

The tail command, as the name implies, print the last N number of data of the given input. By default it prints the last 10 lines of the specified files.

What is the command or commands that will show you the last 15 lines of the VAR log Kern log file?

Tell about tail more. For example tail -15 /var/log/syslog will show last 15 lines etc…