Using the `mkfile` Command (with examples)
Use Case 1: Creating an empty file of a specific size
Code:
mkfile -n 15k path/to/file
Motivation:
In some cases, you may need to create an empty file with a specific size, such as when testing the behavior of a program with different file sizes. By using the mkfile
command, you can easily create empty files of any desired size.
Explanation:
The -n
flag is used to specify the size of the file. In this case, the size is set to 15 kilobytes with the 15k
argument. The path/to/file
argument represents the path where you want to create the file.
Example Output:
Creating an empty file of 15 kilobytes at the specified path.
Use Case 2: Creating a file of a given size and unit
Code:
mkfile -n sizeb|k|m|g path/to/file
Motivation:
When creating files, it is often useful to specify the size using different units, such as bytes, kilobytes, megabytes, or gigabytes. This flexibility allows you to create files of various sizes easily.
Explanation:
The -n
flag is used to specify the size of the file. You can use different unit options to specify the desired size:
sizeb
for bytessizek
for kilobytessizem
for megabytessizeg
for gigabytes Thepath/to/file
argument represents the path where you want to create the file.
Example Output:
Creating a file of the specified size at the specified path.
Use Case 3: Creating multiple files of the same size
Code:
mkfile -n 4m first_filename second_filename
Motivation:
There may be situations where you need to create multiple files of the same size, such as when setting up a test scenario involving multiple files. By using the mkfile
command with multiple file names, you can easily create identical files in one command.
Explanation:
The -n
flag is used to specify the size of the file. In this case, the size is set to 4 megabytes with the 4m
argument. The command is followed by the names of the files you want to create, separated by spaces.
Example Output:
Creating two files, “first_filename” and “second_filename,” each with a size of 4 megabytes.