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Full Discussion: Script to check process completion
Top Forums UNIX for Dummies Questions & Answers Script to check process completion Post 302301104 by kenkanya on Thursday 26th of March 2009 01:42:22 AM
Old 03-26-2009
Script to check process completion
Hi,
OS - Unix

Iam doing the following:
after login to the unix box
1. change directory
2. run a shell script "preinstall.sh"
3. This takes apprx 5 mins
4. after which i use to change permission of a file "installhub.sh" (this file is generated from the previous step).

Is there anyway i can right a shell script to check when the "preinstall.sh" finishes or successfully finishes and then i go to the next step of changing permission for the file "installhub.sh"?

How to check if process is complete (successful or not)? (Here in this case for "preinstall.sh")

Another question - is "Sleep 5" command used in the scripts mean the process is suspended for 5 minutes or the process is running for say 4 minutes and i had given 5 minutes after which the next step will continue?

Any direction, so that i can pick up from there?

thanks
 

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LEARN ABOUT V7

chsh

CHSH(1) 							   User Commands							   CHSH(1)

NAME

       chsh - change login shell

SYNOPSIS

       chsh [options] [LOGIN]

DESCRIPTION

       The chsh command changes the user login shell. This determines the name of the user's initial login command. A normal user may only change
       the login shell for her own account; the superuser may change the login shell for any account.

OPTIONS

       The options which apply to the chsh command are:

       -h, --help
	   Display help message and exit.

       -R, --root CHROOT_DIR
	   Apply changes in the CHROOT_DIR directory and use the configuration files from the CHROOT_DIR directory.

       -s, --shell SHELL
	   The name of the user's new login shell. Setting this field to blank causes the system to select the default login shell.

       If the -s option is not selected, chsh operates in an interactive fashion, prompting the user with the current login shell. Enter the new
       value to change the shell, or leave the line blank to use the current one. The current shell is displayed between a pair of [ ] marks.

NOTE

       The only restriction placed on the login shell is that the command name must be listed in /etc/shells, unless the invoker is the superuser,
       and then any value may be added. An account with a restricted login shell may not change her login shell. For this reason, placing /bin/rsh
       in /etc/shells is discouraged since accidentally changing to a restricted shell would prevent the user from ever changing her login shell
       back to its original value.

FILES

       /etc/passwd
	   User account information.

       /etc/shells
	   List of valid login shells.

       /etc/login.defs
	   Shadow password suite configuration.

SEE ALSO

       chfn(1), login.defs(5), passwd(5).

shadow-utils 4.5						    01/25/2018								   CHSH(1)
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