Скринсейвера Terminal не бывает, был phosphor, пускался командой
phosphor -font , по дефолту использовался fixed
www.youtube.com/watch?v=0Et3n3sh81U
— OpenGL он не использует.
$ ldd /usr/lib64/xscreensaver/phosphor
linux-vdso.so.1 (0x00007fff5f3ff000)
/usr/lib64/libmemcpy.so (0x0000003000000000)
libSM.so.6 => /usr/lib64/tls/x86_64/libSM.so.6 (0x0000003000c00000)
libICE.so.6 => /usr/lib64/tls/x86_64/libICE.so.6 (0x0000003000800000)
libXt.so.6 => /usr/lib64/tls/x86_64/libXt.so.6 (0x000000300f000000)
libX11.so.6 => /usr/lib64/tls/x86_64/libX11.so.6 (0x0000003001000000)
libXmu.so.6 => /usr/lib64/tls/x86_64/libXmu.so.6 (0x0000003010000000)
libXext.so.6 => /usr/lib64/tls/x86_64/libXext.so.6 (0x0000003001800000)
libm.so.6 => /usr/lib64/tls/x86_64/libm.so.6 (0x0000003003400000)
libutil.so.1 => /usr/lib64/tls/x86_64/libutil.so.1 (0x000000300e400000)
libc.so.6 => /usr/lib64/tls/x86_64/libc.so.6 (0x00007f80c56ec000)
libuuid.so.1 => /usr/lib64/tls/x86_64/libuuid.so.1 (0x0000003004000000)
libxcb.so.1 => /usr/lib64/tls/x86_64/libxcb.so.1 (0x0000003004400000)
libdl.so.2 => /usr/lib64/tls/x86_64/libdl.so.2 (0x0000003002800000)
/lib64/ld-linux-x86-64.so.2 (0x0000003000400000)
libXau.so.6 => /usr/lib64/tls/x86_64/libXau.so.6 (0x0000003001400000)
