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A Unix question

A Unix question# Unix - 噫吁兮，危乎高哉

c*s2000-10-30 08:10

1 楼

I forgot which command is for the following purpose.
Can anyone tell me about that? Thanks.
I remember there is a command which can put the current
process into background by pressing some kind of control
key combination. Later you can bring the background process
back. I don't mean that fg and bg.

m*m2000-10-30 08:10

2 楼

Normally, it binds to cntl-z to put process on hold. It
sends STOP
signal to the process. "bg" to make it run in background.

【在 c*s 的大作中提到】

: I forgot which command is for the following purpose.
: Can anyone tell me about that? Thanks.
: I remember there is a command which can put the current
: process into background by pressing some kind of control
: key combination. Later you can bring the background process
: back. I don't mean that fg and bg.

c*s2000-10-30 08:10

3 楼

I know that. But this method is unable to bring back the
process and
see what happened before. I used a better command before but
forgot
it since I have not use Unix for long time.

【在 m*******m 的大作中提到】

:
: Normally, it binds to cntl-z to put process on hold. It
: sends STOP
: signal to the process. "bg" to make it run in background.

c*t2000-10-30 08:10

4 楼

fg %%
If you have multiple jobs, type
jobs
to locate the job id and
fg id

【在 c*s 的大作中提到】

:
: I know that. But this method is unable to bring back the
: process and
: see what happened before. I used a better command before but
: forgot
: it since I have not use Unix for long time.

l*l2000-10-30 08:10

5 楼

Normally, in the OS such as VMS or Multics ( first UNIX in 1970's ),
you can use detaching and attaching to get tge process which lost from
/dev/tty.
But POSIX 1.doesn't support connect with a lost term( /dev/tty ). But
several software can do this job.
you can try " screen " or "pty" to get your contral of the jobs.

【在 c*s 的大作中提到】

c*s2000-10-30 08:10

6 楼

Many thanks. "screen" is the one I used before.

【在 l*l 的大作中提到】

: Normally, in the OS such as VMS or Multics ( first UNIX in 1970's ),
: you can use detaching and attaching to get tge process which lost from
: /dev/tty.
: But POSIX 1.doesn't support connect with a lost term( /dev/tty ). But
: several software can do this job.
: you can try " screen " or "pty" to get your contral of the jobs.