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You can set the previous bash command as the terminal title by this command.
-trap assigns a command to execute at a given bash signal.
-in the $BASH_COMMAND you find the last command
-you can set the terminal title with the escape sequence: \e]0;this is the title\007
-to let the echo care about the backslashes give the -e to it
Since trap is a built in bash command you find more informatin in 'man bash'for more
You can get what functions at which addresses are inside a dynamic link library by this tool.
This is the way how you can find header and cpp files in the same time.
If you are in ex mode in vim i.e. you've pressed ':'. You can edit the current command by pressing <ctrl-f>