Shell script examples in unix
[DOC File]USER GUIDE TO UNIX SYSTEMS
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UNIX Command Shell. In the tcsh, the default UNIX command shell, there are two files in your directory which control your environment: ".login" and ".cshrc".login file;.cshrc file;. These files will not show up when you type ls alone, because files whose names begin with a period are normally invisible. To see that they are there, you need to type:
[DOC File]Unix for Oracle DBAs .in
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The following script shows how to create a Unix shell wrapper for any set of SQL*Plus commands. The Unix script in this example is named run_sql.ksh, and it invokes SQL*Plus to execute a SELECT statement followed by the SQL*Plus script contained in the file /home/oracle/abc.sql:
[DOC File]Fundamental UNIX Commands - Cal Poly
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When you log onto UNIX under the C shell, the commands in your .login file are executed immediately. This is a good place to store setenv commands..logout You have a default .logout file in your account. "cat .logout" will allow you to view its contents. .logout is executed when you log off a UNIX system under the C shell.
[DOC File]Project 1: Simple Shell Program
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A simple shell is a basic shell program that supports commands with I/O re-direction. Once, a user enters a command string (ended with a return key), your program should parse the command line and determines whether it contains I/O redirection signified by …
[DOC File]Unix Shell Commands - vitscse
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where, abc is a shell script. banner. Syntax banner strings. Description. The banner command prints its arguments (each up to 10 characters long) in large letters on the standard output. This is useful for printing names at the front of printouts. cal. Syntax cal [ [ month ] year ] Description. The cal command prints a calendar for the ...
[DOC File]Unix commands that are related to Security
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Handle the processing of command line arguments via a shell (shell can introduce more functionalities than what we expect. Note that shell is a powerful program). Starting sub-processes involves issues of dependency and inheritance of attributes that we have seen to be problematical. The functions execlp and execvp use a shell to start programs.
[DOC File]Example of a simple shell script
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Controlling when to exit a shell script. The exit statement will exit the current shell script. It can be given a numeric argument which is the script's exit status. If omitted the exit status of the last run command is used. 0 (zero) signifies success, non-zero signifies failure. For example: #!/bin/sh. if …
[DOC File]shell programming - schoolmca
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SHELL SCRIPT EXAMPLES : Write a shell script which will accept a filename and starting and ending line numbers and displays these lines from given file. Two numbers are entered from keyboard. Write a script to find the value of one number raised to power of another. Write a shell script which deletes all lines containing the word unix in the ...
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