Computer Science · Shell Scripting
Which feature ensures better portability of shell scripts across different Unix-like systems?
- 1Enforcing root user execution permissions across all platforms
- 2Writing the script using POSIX-compliant syntax and standard tools✓
- 3Relying exclusively on non-standard bash extensions
- 4Using hard-coded absolute paths for all binary utilities
Correct answer
Writing the script using POSIX-compliant syntax and standard tools
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