ELVREC.1
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- ELVREC(1) Minix Programmer's Manual ELVREC(1)
- NAME
- elvrec - Recover the modified version of a file after a crash
- SYNOPSIS
- elvrec [preservedfile [newfile]]
- DESCRIPTION
- If you're editing a file when elvis dies, the system crashes, or power
- fails, the most recent version of your text will be preserved. The
- preserved text is stored in a special directory; it does NOT overwrite
- your text file automatically.
- The elvrec program locates the preserved version of a given file, and
- writes it over the top of your text file -- or to a new file, if you
- prefer. The recovered file will have nearly all of your changes.
- To see a list of all recoverable files, run elvrec with no arguments.
- FILES
- /usr/preserve/p*
- The text that was preserved when elvis died.
- /usr/preserve/Index
- A text file which lists the names of all preserved files, and the
- names of the /usr/preserve/p* files which contain their preserved
- text.
- BUGS
- elvrec is very picky about filenames. You must tell it to recover the
- file using exactly the same pathname as when you were editing it. The
- simplest way to do this is to go into the same directory that you were
- editing, and invoke elvrec with the same filename as elvis. If that
- doesn't work, then try running elvrec with no arguments, to see exactly
- which pathname it is using for the desired file.
- Due to the permissions on the /usr/preserve directory, on UNIX systems
- elvrec must be run as superuser. This is accomplished by making the
- elvrec executable be owned by "root" and setting its "set user id" bit.
- If you're editing a nameless buffer when elvis dies, then elvrec will
- pretend that the file was named "foo".
- AUTHOR
- Steve Kirkendall
- kirkenda@cs.pdx.edu
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