How read a specific line in Unix?

How do I read a specific line in Unix?

If you’re already in vi, you can use the goto command. 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 read a specific line in a file in Linux?

How to Display Specific Lines of a File in Linux Command Line

  1. Display specific lines using head and tail commands. Print a single specific line. Print specific range of lines.
  2. Use SED to display specific lines.
  3. Use AWK to print specific lines from a file.

How do you go to a specific line in a file?

How to go to a particular line in a file. When you press [Esc] key and then [Shift-g] without specifying a line number, vim will take you to the last line in the file.

How do I search for a specific line in Linux?

To do this, go to Edit -> Preferences and tick the box that says “Display line numbers.” You can also jump to a specific line number by using Ctrl + I .

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.

How do you grep a specific line?

The -n ( or –line-number ) option tells grep to show the line number of the lines containing a string that matches a pattern. When this option is used, grep prints the matches to standard output prefixed with the line number. The output below shows us that the matches are found on lines 10423 and 10424.

How do I see the last 10 lines in Linux?

head -15 /etc/passwd

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 go to a second line in Linux?

3 Answers. tail displays the last line of the head output and the last line of the head output is the second line of the file. PS: As to “what’s wrong with my ‘head|tail'” command – shelltel is correct.

What is the use of awk in Linux?

Awk is a utility that enables a programmer to write tiny but effective programs in the form of statements that define text patterns that are to be searched for in each line of a document and the action that is to be taken when a match is found within a line. Awk is mostly used for pattern scanning and processing.

How do I copy and paste a line in Vim?

How to copy and paste a line in Vim?

  1. Make sure you’re in the normal mode. Press Esc to be sure. Then copy the entire line by pressing yy (more info :help yy ). …
  2. Paste the line by pressing p . That will put the yanked line right under your cursor (on the next line).
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