What is the nmap command?
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What are bash commands?
How to redirect standard error to a file?
How do I run a bash script?
What is a Unix signal, and how do you handle them?
What is the general format of unix command syntax?
What is the use of egrep command in unix?
how to delete entire records in unix ?
Give a regular expression that finds two things, try to come up with regular expressions that find each individually using "egrep" command?
What is FIND, GREP and SED ? Could you please give me the difference between all the three? Where we use this commnands?
when we installing aix os the ssh installed default?
Which command will you use to change the permissions on file?
what is the cmd to remove the comment lines from a file and to display the original text without comments? thanks in advance......