What command is used to check the current users?
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Name the general commands in using unix os for a beginner?
How we will execute previous command in vi editor?
Give a regular expression that finds two things, try to come up with regular expressions that find each individually using "egrep" 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 is the shell for dos,nt operating systems?
what do you understand by 'building block primitive'?
How to display a file name which has zero bytes in size.
Give command that will make the file "run.sh" executable?
Explain command to display different lines that are found when compare two files?
What is command substitution?
Which mode is used for allowing file write,read and append mode?
what is virtual machine?