Which of the following option is used for checking if the file is readable or not?(a) -r(b) -f(c) -n(d) -zThis question was posed to me during an interview.This interesting question is from Using test and [ ] to Evaluate Expressions in portion Essential Shell Programming of Unix

Which of the following option is used for checking if the file is read

1.	Which of the following option is used for checking if the file is readable or not?(a) -r(b) -f(c) -n(d) -zThis question was posed to me during an interview.This interesting question is from Using test and [ ] to Evaluate Expressions in portion Essential Shell Programming of Unix
Answer» The correct choice is (a) -R The best I can EXPLAIN: To CHECK if the file EXISTS and is readable we can use -r OPTION. The syntax is -r filename.

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Which of the following option is used for checking if the file is readable or not?(a) -r(b) -f(c) -n(d) -zThis question was posed to me during an interview.This interesting question is from Using test and [ ] to Evaluate Expressions in portion Essential Shell Programming of Unix

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