29. How to display top 10 users
Who | head -10 | wc –w
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How do you grep a case insensitive?
if we create a file, in that 10 rows(means 1,2,....9,10 like). i want 7 row exactly, which command use in unix? plz send this question.
distinguish between user mode and kernel mode?
Explain command to show the space allocation of files?
Explain ‘system calls’ with respect to unix commands?
what do you understand by 'unix is a portable os'?
how to find the 51th record of a file containing 100 records in unix.
What does the md command do?
hi i have directories within the directory. Now i want to copy the directory along with all directories included in it to one location by using copy command? what is the command
what is the cmd to remove the comment lines from a file and to display the original text without comments? thanks in advance......
what will this do $cat > file.c ?(file.c is a file in current directory)
Through which command will redirect output to bOth screen and files at the same time?
Unix Commands 
