Changes in release 2.1
+* nohup's behavior is changed as follows, to conform to POSIX 1003.1-2001:
+ - nohup no longer adjusts scheduling priority; use "nice" for that.
+ - nohup now redirects stderr to stdout, if stderr is not a terminal.
+ - nohup exit status is now 126 if command was found but not invoked,
+ 127 if nohup failed or if command was not found.
[2.0.13]
* uname and uptime work better on *BSD systems
* pathchk now exits nonzero for a path with a directory component