NAME
fg - send job to foreground
Synopsis
fg [PID]
Description
Sends the specified job to the foreground.
While a foreground job is executed, fish is suspended. If no job is
specified, the last job to be used is put in the foreground. If PID
is specified, the job with the specified group id is put in the
foreground.
The PID of the desired process is usually found by using process
globbing.
Example
fg %0 will put the job with job id 0 in the
foreground.