In summary, both aliases and shell scripts can serve as alternatives to frequently typed commands in Unix-like systems like Linux or macOS. While aliasing offers simplicity and ease of implementation with a single command line instruction, utilizing small executable files (shell scripts) provides more flexibility such as complex logic execution, accessibility across different sessions without redefining them each time, and potential compatibility between various shell environments. However, there are some drawbacks to using scripts like increased complexity in conditional definition or difficulty in bypassing their effects compared to aliases. Ultimately, the choice depends on individual preferences and specific use cases.
In terms of performance, alias-based solutions tend to be faster due to reduced overhead associated with file search and execution process involved when using scripts. But again, this difference is usually negligible in practical scenarios unless running thousands or millions of such commands per second consistently.
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