Is ‘du’ a command? If so, what is its use?
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What is updatedb?
Explain command to display different lines that are found when compare two files?
How to replace the exact word in vi editor?? suppose a file contains words like amaze,amazed,amazement in some of the line.But i want to replace only 'amaze' with delight but don't wanna replace amazed or amazement. thanks
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what is the default signal kill in unix?
Explain how to use grep command to list find the records of a file containing 10 different strings?
Which command will you use to change the permissions on file?
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what does the command 'wc' do?
What UNIX command will control the default file permissions when files are created?
What are some command words?
What Is the command to change a file's creation time. means one file is created at the time 15:19 then time should br changed to 14:14
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
Unix Commands 
