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Shell Programming and Scripting
read command in while
Post 302282941 by avi.skynet on Monday 2nd of February 2009 07:55:16 AM
02-02-2009
reply
hi thanks for the reply..
my work is done wit my code. but iam debugging the code.. so i just want to know what is happening in side the while loop one by one ... so that i can make my code efficient...
any way thanks reading and replying to my post...
my work is done wit my code. but iam debugging the code.. so i just want to know what is happening in side the while loop one by one ... so that i can make my code efficient...
any way thanks reading and replying to my post...
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LEARN ABOUT CENTOS
systemd-tty-ask-password-agent
SYSTEMD-TTY-ASK-PASSWORD-AGENT(1) systemd-tty-ask-password-agent SYSTEMD-TTY-ASK-PASSWORD-AGENT(1) NAME
systemd-tty-ask-password-agent - List or process pending systemd password requests SYNOPSIS
systemd-tty-ask-password-agent [OPTIONS...] [VARIABLE=VALUE...] DESCRIPTION
systemd-tty-ask-password-agent is a password agent that handles password requests of the system, for example for hard disk encryption passwords or SSL certificate passwords that need to be queried at boot-time or during runtime. systemd-tty-ask-password-agent implements the Password Agents Specification[1]. OPTIONS
The following options are understood: -h, --help Prints a short help text and exits. --version Prints a short version string and exits. --list Lists all currently pending system password requests. --query Process all currently pending system password requests by querying the user on the calling TTY. --watch Continuously process password requests. --wall Forward password requests to wall(1) instead of querying the user on the calling TTY. --plymouth Ask question with plymouth(8) instead of querying the user on the calling TTY. --console Ask question on /dev/console instead of querying the user on the calling TTY. EXIT STATUS
On success, 0 is returned, a non-zero failure code otherwise. SEE ALSO
systemd(1), systemctl(1), systemd-ask-password-console.service(8), wall(1), plymouth(8) NOTES
1. Password Agents Specification http://www.freedesktop.org/wiki/Software/systemd/PasswordAgents systemd 208 SYSTEMD-TTY-ASK-PASSWORD-AGENT(1)