vim: delete lines before cursor

Find a file in the path without "which"? vim: use string from search in replace command Does SELinux provide enough extra security to be worth the hassle of learning/setting it up? How to open a file in an existing emacs process from command line? What program do I use to check mail? Zero-fill numbers to 2 digits with sed Is there a one-liner that allows me to create a directory and move into it at the same time? How can I run Firefox on Linux headlessly (i.e. without requiring libgtk-x11-2.0.so.0)? How do I reuse the last output from the command line? Display command in xterm titlebar Rolling back a file How to change mount points