UNIX Shell Programming

Source: www.executrain.com
Topic: Shell Programming

Short Desciption:
... Options to the ps Utility Background Commands (&) Killing Background Processes Redirecting the Standard Error Shell Programming Concepts What is a Shell? What is a Shell Script? Why Use ...

 

Content Inside:
of 1 ITC_UNIXsp ExecuTrain Course Outline UNIX Shell Programming IT0001 3 Days Description Students learn to read, write, and debug shell scripts, thus increasing productivity by taking full advantage of the UNIX shell. Prerequisites Fundamentals of UNIX. Who Should Take This Course? UNIX users, programmers, and system administrators. Outline UNIX Processes What is a Process? Process Structure The ps Utility Options to the ps Utility Background Commands (&) Killing Background Processes Redirecting the Standard Error Shell Programming Concepts What is a Shell? What is a Shell Script? Why Use Shell Scripts? Flow Control The Exit Status of Commands Command Line Examples The test Command The If-Then-Else Construct The Elif Construct A Loop Example Variables User Created Variables The read Command The Shell Environment The export Command Sub-shells Command Substitution Quoting Mechanisms Assigning Variables Shell Environment The Login Process Important Environment Variables The export Command The System Profile Script Your .profile The . Command Special Variables Command line arguments $# - Number of Arguments The shift Command $* - All Arguments $$ - PID of Shell More Flow Control The for Loop The while Loop The case Construct The Here Document What is a Here Document? Using a Here Document Here Document Quoting Ignoring Leading Tabs Advanced Programming Shell Functions Passing Arguments to Functions Returning Values from Functions Error Handling Shell Arithmetic Specifying the Scripts Interpreter Terminal Independence in Scripts Debugging Techniques Using Standard Error Script Tracing Options for Debugging Using echo Conditional Debugging Shell IPC Co-processes The print and read Commands Signals The trap Command Named Pipes The wait Command

 

 

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