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Show the advantages of redirection with example in unix?

I/O Redirection is used when you don't want the output to go to the standard output location, e.g., the screen. It can be very helpful in capturing information to be used in a later process. For example, if the command 'ls' is used the output goes to the screen. But if the command 'ls > ls.out' is used, then the ls command output will be redirected to a file called ls.out, which can be examined, edited, or used in a later process.


What does command substitution mean?

Command substitution is a feature in shell scripting that allows the output of a command to be used as an argument in another command. This is typically done by enclosing the command in backticks (`command`) or using the syntax $(command). The shell executes the command inside the substitution and replaces it with its output, enabling dynamic command composition and data processing. This technique is commonly used for capturing the results of commands and using them in scripts or command-line operations.


What is the full form of CLS used in basic?

CLS means CLear Screen. it is a command used in command prompt


What is the date command?

output of all command


What will be the output of the command prompt lpg?

The command lpg is not a standard command in most command prompt environments. Its output would depend on the specific context or application in which it's used. If it's a custom command or part of a specific software package, you would need to refer to that software's documentation to understand its output. Otherwise, running lpg may result in an error message indicating that the command is not recognized.


What is the symbol for redirection of output?

The symbol for redirection of output in a command-line interface is the greater-than sign (>). It allows you to send the output of a command to a file instead of displaying it on the screen. For example, command > output.txt saves the output of the command to a file named output.txt. To append output to an existing file, you can use >>.


What Refers to directing the output of one command to the input of a second command?

The 'pipe' symbol connects the output of one command to the input of another (|)


What is the output of the command used to test a nic card?

PING is what you need to use . Ping 127.0.0.1


What is systemoutprintln means in java?

That's the command used to output text to the console. For example: System.out.println("Hello!");


Why do have use semi colon in matlab?

In MATLAB, a semicolon is used to suppress the output of a command in the command window. When you place a semicolon at the end of a line, MATLAB executes the command without displaying the result, which helps keep the output clean and manageable, especially when working with large datasets or performing multiple operations. If you want to see the output, simply omit the semicolon.


What are three components of an OS?

In the 8-bit versions, CP/M's software was separated into three components * console command processor or CCP, * basic disk operating system or BDOS, and * basic input/output system


What command is used to connect lines of different text files to one line?

cat input1 input2 ... > output