How do I delete one line in Linux?

How do you delete one line?

Is there a shortcut key to delete full line of text?

  1. Place the text cursor at the beginning of the line of text.
  2. On your keyboard, press and hold the left or right Shift key and then press the End key to highlight the entire line.
  3. Press the Delete key to delete the line of text.

How do I delete a single line in a text file?

The best way to do this is to open the file in text mode, read each line with ReadLine(), and then write it to a new file with WriteLine(), skipping the one line you want to delete.

How do you delete old lines in Linux?

4 Answers

  1. Ctrl + U – clear all the current line from the end to the beginning only if the cursor is at the end of the line. …
  2. Ctrl + K – clear all the current line from the beginning to the end only if the cursor is at the beginning of the line. …
  3. Ctrl + W – clear the previous word in the current line.

How do you delete a line in bash?

# Deleting whole words ALT+Del Delete the word before (to the left of) the cursor ALT+d / ESC+d Delete the word after (to the right of) the cursor CTRL+w Cut the word before the cursor to the clipboard # Deleting parts of the line CTRL+k Cut the line after the cursor to the clipboard CTRL+u Cut/delete the line before …

What is the shortcut key to delete a file?

To permanently delete a file:

Select the item you want to delete. Press and hold the Shift key, then press the Delete key on your keyboard.

How do I remove a few lines in Unix?

To Remove the lines from the source file itself, use the -i option with sed command. If you dont wish to delete the lines from the original source file you can redirect the output of the sed command to another file.

How do I remove the last 10 lines in Unix?

It’s a little roundabout, but I think it’s easy to follow.

  1. Count up the number of lines in the main file.
  2. Subtract the number of lines you want to remove from the count.
  3. Print out the number of lines you want to keep and store in a temp file.
  4. Replace the main file with the temp file.
  5. Remove the temp file.

How do I delete a line in CMD?

Go to end of the line: Ctrl + E. Remove the forward words for example, if you are middle of the command: Ctrl + K. Remove characters on the left, until the beginning of the word: Ctrl + W. To clear your entire command prompt: Ctrl + L.

How do I delete multiple lines in Linux history?

You can use history -d offset builtin to delete a specific line from the current shell’s history, or history -c to clear the whole history. It’s not really practical if you want to remove a range of lines, since it only takes one offset as an argument, but you could wrap it in a function with a loop.

How do I clear all terminal history?

The procedure to delete terminal command history are as follows on Ubuntu:

  1. Open the terminal application.
  2. Type the following command to to clear bash history completely: history -c.
  3. Another option to remove terminal history in Ubuntu: unset HISTFILE.
  4. Log out and login again to test changes.

How do I erase my history?

Clear your history

  1. On your Android phone or tablet, open the Chrome app .
  2. At the top right, tap More. History. …
  3. Tap Clear browsing data.
  4. Next to “Time range,” select how much history you want to delete. To clear everything, tap All time.
  5. Check “Browsing history.” …
  6. Tap Clear data.

How do I remove the first 10 lines in Unix?

How it works :

  1. -i option edit the file itself. You could also remove that option and redirect the output to a new file or another command if you want.
  2. 1d deletes the first line ( 1 to only act on the first line, d to delete it)
  3. $d deletes the last line ( $ to only act on the last line, d to delete it)

How do I remove the first line in Unix?

Using the sed Command

Removing the first line from an input file using the sed command is pretty straightforward. The sed command in the example above isn’t hard to understand. The parameter ‘1d’ tells the sed command to apply the ‘d’ (delete) action on line number ‘1’.

How do you delete AWK lines?

1: This is a test file. 2: Use the awk command NR variable to delete a specific line 3: Use the sed command action option d to delete a specific line 4: Awk command supports condition judgment 5: awk command supports loop function 6: The sed command has rich action options: a, d, g …

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