UNIX Shell Overview - PowerPoint PPT Presentation

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UNIX Shell Overview

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Korn shell : ksh. C shell : csh. Metacharacters (selected) Symbol. Description. redirect output ... file substitution wild card zero to many chars. file ... – PowerPoint PPT presentation

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Title: UNIX Shell Overview


1
UNIX ShellOverview
2
Shell
Kernel
bash,csh,ksh
3
Overview of text
Chapter 6 Bourne again shell
Chapter 7 Korn Shell
Chapter 5
Chapter 8 C Shell
4
Changing Shells
  • Shells
  • Bourne again shell bash, sh
  • Korn shell ksh
  • C shell csh

5
Metacharacters (selected)
6
tee
standard output
command
filename
example ls tee listfile.txt
7
echo
  • Acts as a print statement in a script
  • example echo Today is date
  • note (called a grave accent) is the character
    below the tilda () not the single quote ()
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