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In any terminal operating under GNOME, if I press Ctrl+C, I only see a question mark. Same goes for Ctrl+Z. The output of stty -a | grep intr is:
intr = ^C; quit = ^\; erase = ^?; kill = ^U; eof = ^D; eol = M-^?; eol2 = M-^?;
I can use the sequence under all other tty's (outside X), and can also use it for another user; only one user is affected. How can I fix this?
The problem lied somewhere in the keyboard preferences under gnome-keyboard-properties. Reset to defaults under layout fixed everything. I was able to then re-do the same settings I had before. The good thing is, it works now. The bad thing, I could not catch the specific reason why it behaved this way.
.bashrcfor bash)?/etc/profileis the global file - I meant the user profile, which in that case should be$HOME/.bashrcor$HOME/.bash_profile.xterm, doesCtrl+Cwork there? What is displayed if you enterecho '^V^C' | hd, where you must typeCtrl+VthenCtrl+Cwhere I wrote^V^C?hdis the same ashexdump -C, which is likeod -t x1 -A xbut with an extra column showing printable characters, plus it's more memorable. It's a BSD utility, which Debian and Ubuntu ship; other Linux distributions may ship onlyhexdumpor neither.