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
/tmpdirectory 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
ddfallocatemkfiletruncate