Who wrote grep?
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Which command is used to copy files?
what is the use of "fg" command ?
What is grep in bash?
what is the difference between "cron" command and "at" command?
What are the commands in UNIX to list the files in a Directory?
How do you change file permissions and ownership in Unix?
what is virtual machine?
what is the cmd to display the last exit status in UNIX?
How to see unused port number in Solaris?
A file has 1000 lines and i want to display only 1st line how to do it? pls ..tel me
How do you move a process which is running background to foreground?
What is the nmap command?