How do you clear a file in Linux terminal?

How do you clear a file in Linux?

Empty or delete the contents of a large file using the truncate command in the Linux/Unix system. The truncate command is used to shrink or extend the size of a file to a specified size in the Linux system. It is also used to empty large file contents by using the -s option followed by 0 (zero) specified size.

How do you clear a file in Terminal?

Type the rm command, a space, and then the name of the file you want to delete. If the file is not in the current working directory, provide a path to the file’s location. You can pass more than one filename to rm . Doing so deletes all of the specified files.

How do I empty a folder in Linux?

You can delete a directory in Linux using the rm command. The rm command can delete a directory if it contains files as long as you use the -r flag. If a directory is empty, you can delete it using the rm or rmdir commands.

How do you clear a log file?

Before you begin, ensure that you are logged in to the terminal as the root user.

  1. Check the disk space from the command line. Use the du command to see which files and directories consume the most space inside of the /var/log directory. …
  2. Select the files or directories that you want to clear: …
  3. Empty the files.
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How do I delete a file in Ubuntu terminal?

Commands for deleting files

The terminal command for deleting file(s) is rm. The general format of this command is rm [-f|i|I|q|R|r|v] file… rm removes a file if you specify a correct path for it and if you don’t, then it displays an error message and move on to the next file.

How do I delete a non empty directory in Linux?

To remove a directory that is not empty, use the rm command with the -r option for recursive deletion. Be very careful with this command, because using the rm -r command will delete not only everything in the named directory, but also everything in its subdirectories.

How do I empty a file in Ubuntu?

Permanently delete a file

  1. Select the item you want to delete.
  2. Press and hold the Shift key, then press the Delete key on your keyboard.
  3. Because you cannot undo this, you will be asked to confirm that you want to delete the file or folder.

How do I delete a file in Unix?

Deleting files (rm command)

  1. To delete the file named myfile, type the following: rm myfile.
  2. To delete all the files in the mydir directory, one by one, type the following: rm -i mydir/* After each file name displays, type y and press Enter to delete the file. Or to keep the file, just press Enter.

How do I clear the contents of a log file in Linux?

How to empty (truncate) Log files in Linux

  1. Empty log file using truncate command. The safest method to empty a log file in Linux is by using the truncate command. …
  2. Empty log file using :> or true > …
  3. Empty log file using echo command. …
  4. Empty log file using the dd command. …
  5. Empty log file using the find and truncate command.
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