Why is awk called awk?
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what is the use of "test" command in unix?
How do you grep a case insensitive?
what is the command to list all files in a directory, including the hidden files in UNIX ?
What is the syntax of grep command and what is its use?
how to check a file system type
What is .sh file?
what is virtual machine?
How can we "forked" process in UNIX? How then recognize in any of the branches we?
what is the shell for dos,nt operating systems?
Which mode is used for allowing file write,read and append mode?
What is the size of time_t?
How to rename files and folders?