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RonK
Asked: 2011-05-03 01:30:22 +0800 CST

What does the command `stty erase ^H` do?

  • 772

Probably a newby's question - I saw the command stty erase ^H in one of our log-in script and wanted to know what it does. Does it work on TCSH? or is it only applicable to KSH?

command-line-interface stty

2 Answers

  1. Best Answer

    From: man stty: 

    NAME
       stty - change and print terminal line settings
-- snip

   erase CHAR
          CHAR will erase the last character typed

    This means that ^H (Ctrl-H) will be configured as control sequence to eliminate the last typed character.

    • 4

  2. Please correct if I'm wrong on below one:

    stty erase ^? vs stty erase ^H vs stty erase

    • stty erase ^? -> if set this one backspace character will work.
    • stty erase ^H -> if set Ctrl+H work as backspace.
    • stty erase -> doesn't change any value maintain old one as it is.
    • -1