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What is command substitution?
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what will this do $cat > file.c ?(file.c is a file in current directory)
distinguish between physical addresses and logical address?
23 Answers College School Exams Tests, CTS, Infosys, SAX, TATA, TCS,
How to find $ai_serual resolved path by using unix
Hi All, Can you please let me know how to grep for a particular pattern in unix. I want to print the dates from the file exp.txt. the date pattern is DD:MM:YYYY, I just want to print all the dates from the file exp.txt.
8 Answers Concentrix, IBM, Symantec, TCS,
in UNIX,How to copy file into directory?
What does grep v grep do?
to list a particular line in the file
how to delete entire records in unix ?
what is the difference between SED and GREP ? Which one is more better and why?
distinguish between paging and swapping?
What are the differences among a system call, a library function, and a unix command?
Why is it called a shebang?
Unix Commands 
