Summary
DESCRIPTION:
Shell scripting skills never go out of style. It's the shell
that unlocks the real potential of Unix. Shell scripting is
essential for Unix users and system administrators-a way to
quickly harness and customize the full power of any Unix
system. With shell scripts, you can combine the fundamental
Unix text and file processing commands to crunch data and
automate repetitive tasks. But beneath this simple promise
lies a treacherous ocean of variations in Unix commands and
standards. Classic Shell Scripting is written to help you
reliably navigate these tricky waters.
Writing shell scripts requires more than just a knowledge of
the shell language, it also requires familiarity with the
individual Unix programs: why each one is there, how to use
them by themselves, and in combination with the other
programs. The authors are intimately familiar with the tips
and tricks that can be used to create excellent scripts, as
well as the traps that can make your best effort a bad shell
script. With Classic Shell Scripting you'll avoid hours of
wasted effort. You'll learn not only write useful shell
scripts, but how to do it properly and portably.
The ability to program and customize the shell quickly,
reliably, and portably to get the best out of any individual
system is an important skill for anyone operating and
maintaining Unix or Linux systems. Classic Shell Scripting
gives you everything you need to master these essential
skills.
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