Explain the task performed by the given pipeline

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Reference no: EM131876177

Problem

1. Explain the task performed by the following pipeline. Can you simplify it to use two commands instead of four? ls -t `grep fork *.c | cut -d: -f1 | sort -u`.

2. How do you display the listing of all files in the current directory that have the same permissions as ./foo? Frame regular expressions to match these patterns:

(i) jefferies jeffery jeffreys,

(ii) hitchen hitchin hitching,

(iii) Heard herd Hird,

(iv) dix dick dicks dickson dixon,

(v) Mcgee mcghee magee,

(vi) wood woodcock woodhouse.

Reference no: EM131876177

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