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Alchemist
  • Member for 6 years, 2 months
  • Last seen more than a month ago
8 answers
233 votes
307k views
68 bookmarks
Why do I need a tty to run sudo if I can sudo without a password?
6 answers
141 votes
64k views
68 bookmarks
When is xargs needed?
4 answers
85 votes
160k views
29 bookmarks
what is the meaning of 0.0.0.0 as a gateway?
1 answer
52 votes
33k views
20 bookmarks
Difference between /dev/null and /dev/zero
1 answer
52 votes
30k views
11 bookmarks
Purpose of /dev/zero?
1 answer
6 votes
8k views
3 bookmarks
how do you find all files and directories without sticky bit?