Explain regular expressions?
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Which file defines all users on your system?
How can we find the current value for shell variables?
Who owns linux?
Which of the quoting or escape characters allows the dollar sign ($) to retain its special meaning?
Is mac a linux or darwin?
what is the difference between samba and ftp server in linux? please mention as many as differneces?
How to setup password less remote login/ssh?
Differentiate between cron and anacron.
Is linux mint free?
What does sar provide?
Is arch linux good?
What does finger do in linux?