____ option is used for checking whether a particular file is older than a specified file.(a) -ef(b) -old(c) -nt(d) -otThe question was asked in an interview for job.My question comes from Using test and [ ] to Evaluate Expressions in portion Essential Shell Programming of Unix

____ option is used for checking whether a particular file is older th

1.	____ option is used for checking whether a particular file is older than a specified file.(a) -ef(b) -old(c) -nt(d) -otThe question was asked in an interview for job.My question comes from Using test and [ ] to Evaluate Expressions in portion Essential Shell Programming of Unix
Answer» Right option is (d) -ot Easiest explanation: If we have two file namely file01 and file02 and we WANT to CHECK if file01 is older than file02, we have to USE -ot option with test. The syntax is file01 -otfile02. Similarly, to check whether file01 is newer than file02 we’ve to use -nt option. These COMMANDS work in korn and bash shell only.

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