Check Given Word Using Switch Case Shell Script | Shell Programming

Write a shell script to determine whether the given word begins with lower case or uppercase letter check whether it is three character word or whether it is starting with a special character

Accept Input from User as Word then using Switch case we can find out given Word in lower case or uppercase , whether it contain Special character or Its Three character

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Compare Two Strings And Size Of Strings Shell Script | Shell Programming

Write a shell script  to to run check on strings which includes whether strings are equal or not and whether the size of the strings greater than zero or not.

Accept Two Strings from User on Terminal then first check Strings whether given string empty or not using [ -z $stringname ] it will return 1 if strings are empty after that we can compare this two strings using = operator .

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Find Out File Size Using Shell Script | Shell Programming

Write shell script to to know whether the size of the file provided is greater than zero or zero and print size of file.

This is small script to finding out provided filename size whether it exist or not and if it then findout its size in Byte and print its size using stat -c%s $filename command.

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fork and exec method use together to execute Shell Commands | Operating System

A parent process should create a child process which will execute command "ls -l" using execlp() and will create its child process. The newly created child process should execute system call command "cat hello.txt" and create a child process. The newly created process should execute system call"whoami" and then terminate. Every parent process should wait for terminating its child process.

 

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