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Learn How to Teach the Wait Command
Learn How to Teach the Wait Command
Published: 2012/08/28
Channel: Nylabone Products - Dog Chews, Toys & Treats!
Five Rottweilers Wait For Command to Eat
Five Rottweilers Wait For Command to Eat
Published: 2017/04/17
Channel: DailyPicksandFlicks
Wait Vs. Stay Command with Michael Ellis
Wait Vs. Stay Command with Michael Ellis
Published: 2014/11/06
Channel: Leerburg Enterprises, Inc
Training Tip Tuesday - The Wait Command
Training Tip Tuesday - The Wait Command
Published: 2017/05/02
Channel: ThreeDogBakeryCorp
CLI Academy: Linux "sleep" command
CLI Academy: Linux "sleep" command
Published: 2012/04/10
Channel: CLIAcademy
C++ | Sleep (Wait) Command + Clear Screen Command
C++ | Sleep (Wait) Command + Clear Screen Command
Published: 2013/08/20
Channel: EverythingC++
SGP: Wait Command
SGP: Wait Command
Published: 2013/06/25
Channel: Pat B. Mitchell
Border Collie Obeys Wait Command For 6 Minutes
Border Collie Obeys Wait Command For 6 Minutes
Published: 2011/06/18
Channel: reggiefavre
Teaching the Wait Command to Your Dog
Teaching the Wait Command to Your Dog
Published: 2011/05/24
Channel: jill breitner
Wait, how did you get those? ft. XxMalaboo // Command and Conquer
Wait, how did you get those? ft. XxMalaboo // Command and Conquer
Published: 2017/05/14
Channel: Bryan Vahey
TTB#23 - Wait... are those Spheres? - Minecraft Command Pack
TTB#23 - Wait... are those Spheres? - Minecraft Command Pack
Published: 2017/03/27
Channel: Jragon // Learn How To Make Minecraft Commands
Basic Obedience-Wait Command
Basic Obedience-Wait Command
Published: 2012/12/05
Channel: Adams K-9 LLC
the wait command
the wait command
Published: 2015/03/31
Channel: Courtney Connors
Perfectly Trained Shiba Inus Wait For Command to Eat (Storyful, Dogs)
Perfectly Trained Shiba Inus Wait For Command to Eat (Storyful, Dogs)
Published: 2017/06/01
Channel: Storyful
The "Wait" Command
The "Wait" Command
Published: 2017/06/21
Channel: Kym Ann Dabideen-Denton
Basic Dog Training : Dog Training: Wait Command
Basic Dog Training : Dog Training: Wait Command
Published: 2008/07/31
Channel: expertvillage
Teaching your dog the "Wait" Command.
Teaching your dog the "Wait" Command.
Published: 2013/05/09
Channel: Karen Widaman
Amber Toy Poodle  - Cappi - Wait Command
Amber Toy Poodle - Cappi - Wait Command
Published: 2014/03/25
Channel: Amber Red Toy Poodle
Training Tip Tuesday - Using the "Wait" Command at the Door
Training Tip Tuesday - Using the "Wait" Command at the Door
Published: 2015/03/03
Channel: Gooddog Autism
Learning Minecraft Command Block Programming, Part 7 - Time delays
Learning Minecraft Command Block Programming, Part 7 - Time delays
Published: 2015/09/16
Channel: lorgon111 - Brian's Minecraft & More!
Pitbull 2 month puppy training wait command
Pitbull 2 month puppy training wait command
Published: 2009/02/26
Channel: paigow66
Puppies learning "Wait" command
Puppies learning "Wait" command
Published: 2013/11/18
Channel: Bark N Bond
The Wait Command
The Wait Command
Published: 2009/06/15
Channel: dogasaur
CPC Wait Command
CPC Wait Command
Published: 2017/03/21
Channel: Suzi Schaefers
Wait Command
Wait Command
Published: 2013/03/17
Channel: RelentlesslyHuge
The Wait command
The Wait command
Published: 2013/05/13
Channel: Community Canine
Wait command
Wait command
Published: 2014/12/20
Channel: Middle Tennesseee Treasures
Dog training: Advanced wait or stay command
Dog training: Advanced wait or stay command
Published: 2013/03/28
Channel: GodShrimp
Command Block Delay UPDATED | Minecraft 1.9 and up
Command Block Delay UPDATED | Minecraft 1.9 and up
Published: 2016/07/29
Channel: Alpha Creeper Gaming
Clicker training - wait command 👊
Clicker training - wait command 👊
Published: 2017/03/18
Channel: The Life Of Bear
Siberian Husky Bravo Wait Command
Siberian Husky Bravo Wait Command
Published: 2014/05/05
Channel: Laural Davis
Puppy Training: Adding the Wait Command, English Toy Spaniel (aka King Charles Spaniel)
Puppy Training: Adding the Wait Command, English Toy Spaniel (aka King Charles Spaniel)
Published: 2016/04/22
Channel: Life With My Dogs: Denise & The Misters
Wait command
Wait command
Published: 2014/08/19
Channel: Julia Taylor
dogs wait for the command to eat
dogs wait for the command to eat
Published: 2012/08/08
Channel: Yewyew Lai
Wait command.AVI
Wait command.AVI
Published: 2010/03/16
Channel: wakenwol
Penny on
Penny on 'wait' command
Published: 2010/09/07
Channel: kelvs1
Teaching wait command
Teaching wait command
Published: 2014/08/01
Channel: Tori Smith
Wait command
Wait command
Published: 2015/12/21
Channel: G-Retrieverz Channel
Bat Script & Windows Delay Command
Bat Script & Windows Delay Command
Published: 2016/01/20
Channel: Jay Mee
dogs wait for the command to eat
dogs wait for the command to eat
Published: 2015/03/01
Channel: JR videos
Retrieve and Wait command with tommy
Retrieve and Wait command with tommy
Published: 2015/03/03
Channel: Xukai Tang
Wait Command Training
Wait Command Training
Published: 2017/01/13
Channel: Bailey the Husky Dog
Wait command
Wait command
Published: 2013/05/18
Channel: Xin Ning
Wait command dog training
Wait command dog training
Published: 2012/08/29
Channel: Dogs Rule
"Wait" command
"Wait" command
Published: 2013/01/13
Channel: Steenary
Delilah -
Delilah - 'Wait' Command
Published: 2013/07/31
Channel: Sierra N
Wait Command
Wait Command
Published: 2015/04/29
Channel: Jenn Dearborn
Zoe knows her "Wait" command
Zoe knows her "Wait" command
Published: 2015/07/13
Channel: Jeigh Cee
Teaching the "wait" command
Teaching the "wait" command
Published: 2017/03/11
Channel: Rosemary O' Keeffe
Pug learning wait command
Pug learning wait command
Published: 2013/05/19
Channel: janinewriter
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WIKIPEDIA ARTICLE

From Wikipedia, the free encyclopedia
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In computing, wait is a command which pauses until execution of a background process has ended.

Usage[edit]

 wait [n]

where n is the pid or job ID of a currently executing background process (job). If n is not given, the command waits until all jobs known to the invoking shell have terminated.

wait normally returns the exit status of the last job which terminated. It may also return 127 in the event that n specifies a non-existent job or zero if there were no jobs to wait for.

Because wait needs to be aware of the job table of the current shell execution environment, it is usually implemented as a shell builtin.

Example[edit]

This command can be useful where part of a script can execute in parallel to implement a barrier where an upcoming section depends on the successful completion of the preceding sections.

The following example will fetch the src/ directory from a machine named iona using rsync and simultaneously update the libraries on which this program depends, before building the combination.

#!/usr/bin/env bash

# Parallel update script which makes use of the wait command

# Update local copy
rsync iona:src/ . &
# Upgrade required libraries, or exit indicating failure if make failed for some reason
make -C lib || exit 1

# Wait for rsync to terminate (may have already happened) and finish the job, unless rsync failed
wait && make

Wait for specified job control id number:

$ ls -R / > /dev/null 2>&1 & # start any long running background process
[2] 1986
$ wait %2 # waits for background job number 2 to terminate, then returns

See also[edit]

External links[edit]

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