user avatar
user avatar
user avatar
Alchemist
  • Member for 6 years, 4 months
  • Last seen more than a month ago
233 votes
8 answers
308k views

Why do I need a tty to run sudo if I can sudo without a password?

  • 3,705
141 votes
6 answers
64k views

When is xargs needed?

  • 9,744
85 votes
4 answers
162k views

What is the meaning of 0.0.0.0 as a gateway?

  • 3,319
54 votes
1 answer
34k views

Difference between /dev/null and /dev/zero

  • 21.8k
52 votes
1 answer
31k views

Purpose of /dev/zero?

  • 9,677
6 votes
1 answer
8k views

how do you find all files and directories without sticky bit?