alloc_pair - Linux


Overview

alloc_pair is a command that creates two identical and uniquely named binary files in /tmp.

Syntax

alloc_pair [options] [prefix]

Options/Flags

| Option | Description | Default |
|—|—|—|
| -s, --size | Size of the files (in bytes) | 1048576 |
| -u, --unique | Append a unique suffix to the names | False |
| -h, --help | Display help and exit | N/A |

Examples

Create two 1MB files:

alloc_pair example

Create two 4MB files with unique suffixes:

alloc_pair -s 4194304 -u shared

Common Issues

  • File Size Limit: The maximum file size that can be created is limited by the operating system.
  • Directory Permissions: Ensure that the /tmp directory has write permissions.

Integration

alloc_pair can be used in conjunction with the cmp command to verify file contents.

Example:

alloc_pair example
cmp example_0 example_1

Related Commands

  • dd
  • fallocate
  • mkfile
  • truncate