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You are looking at an old script you wrote and see this line: if [ -x /bin/ps -a -f /etc/app.conf ] In plain English, what does it say ? a) if /bin/ps is excluded from /etc/app.conf b) if the output of /bin/ps contains all the strings from file /etc/app.conf c) if /bin/ps is executable and /etc/app.conf exists d) if either /bin/ps or /etc/app.conf exists

You are looking at an old script you wrote and see this line: if [ -x /bin/ps -a -f /etc/app.conf ] In plain English, what does it say ? a) if /bin/ps is excluded from /etc/app.conf b) if the output of /bin/ps contains all the strings from file /etc/app.conf c) if /bin/ps is executable and /etc/app.conf exists d) if either /bin/ps or /etc/app.conf exists

Database System Concepts
Database System Concepts
7th Edition
ISBN:9780078022159
Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Chapter1: Introduction
Section: Chapter Questions
Problem 1PE
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You are looking at an old script you wrote and see this line:

if [ -x /bin/ps -a -f /etc/app.conf ]

In plain English, what does it say ?

a) if /bin/ps is excluded from /etc/app.conf

b) if the output of /bin/ps contains all the strings from file /etc/app.conf

c) if /bin/ps is executable and /etc/app.conf exists

d) if either /bin/ps or /etc/app.conf exists

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