os – interface to host OS commands (drawterm only)
device to execute a command,
on a host system.
option is given,
uses the device at
otherwise it is asssumed to be at
option causes the command to run in directory
an error results and the command will not run if
does not exist or is inaccessible.
The standard output and standard error of the command appear on the standard output
and standard error streams of the
copies the standard input to the remote command’s standard input; redirect
if there is no input to the command.
does, and its exit status reflects the status of
command is killed or exits (eg, for lack of input and output),
the host’s own process control operations are used to (attempt to) kill
if it is still running.
(background) option suppresses that behaviour.
to run with less than normal priority (‘nice’).
option sets low priority to a particular
from 1 to 3.
The exit status of
reflects any error that occurs when starting
and, if it starts successfully, the status of
is the exit status of