Practice More Quizzes:
Q:
Shell scripts are scripts that invoke a shell program. Which of the following invokes the Bourne shell program?
Q:
What is one of the advantages of shell scripts over compiled languages?
Q:
Which symbol is used for chaining filter commands?
Q:
What does chaining filters together produce?
Q:
What symbol do you use to define shell variables?
Q:
Which command lists all environment variables?
Q:
Which of the following is the cron job syntax?
Q:
Scheduling cron jobs with crontab involves a series of steps. Which step opens the default text editor?
Q:
Quoting is used to specify whether the shell should interpret special characters as metacharacters, or ‘escape’ them. When used in conjunction with the echo command, which of the following statements is true?
Q:
I/O redirection is a set of features that redirect either the standard input or the standard output. Which symbol redirects an error message to a file?
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