What is the unix command to confirm a remote host is alive or not?
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What is the use of cut command in unix?
what do you understand by 'building block primitive'?
write grep commands to select the lines that have exactly two characters
Name the various commands that are used for the user information in unix.
how to delete entire records in unix ?
Is ‘du’ a command? If so, what is its use?
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
distinguish between paging and swapping?
what is the command to get help on a UNIX terminal?
what does the job command do?
Who invented grep?
what is ls -ltd?