centos setterm blank 0
display screen blanking on text
setterm -blank 0
You can view the screen with the screen still on.
setterm: Argument error.
Usage:
setterm [options]
Options:
-term <terminal_name>
-reset
-initialize
-cursor <on|off>
-repeat <on|off>
-appcursorkeys <on|off>
-linewrap <on|off>
-default
-foreground <default|black|blue|cyan|green|magenta|red|white|yellow>
-background <default|black|blue|cyan|green|magenta|red|white|yellow>
-ulcolor <black|blue|bright|cyan|green|grey|magenta|red|white|yellow>
-ulcolor <black|blue|bright|cyan|green|grey|magenta|red|white|yellow>
-hbcolor <black|blue|bright|cyan|green|grey|magenta|red|white|yellow>
-hbcolor <black|blue|bright|cyan|green|grey|magenta|red|white|yellow>
-inversescreen <on|off>
-bold <on|off>
-half-bright <on|off>
-blink <on|off>
-reverse <on|off>
-underline <on|off>
-store
-clear <all|rest>
-tabs <tab1 tab2 tab3 ...> (tabn = 1-160)
-clrtabs <tab1 tab2 tab3 ...> (tabn = 1-160)
-regtabs <1-160>
-blank <0-60|force|poke>
-dump <1-NR_CONSOLES>
-append <1-NR_CONSOLES>
-file dumpfilename
-msg <on|off>
-msglevel <0-8>
-powersave <on|vsync|hsync|powerdown|off>
-powerdown <0-60>
-blength <0-2000>
-bfreq freqnumber
-version
-help