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John Siu
  • Member for 9 years, 9 months
  • Last seen this week
1500 votes
10 answers
454k views

What is the exact difference between a 'terminal', a 'shell', a 'tty' and a 'console'?

  • 33.2k
748 votes
3 answers
386k views

What is the purpose of the lost+found folder in Linux and Unix?

  • 13.5k
374 votes
4 answers
639k views

What characters do I need to escape when using sed in a sh script?

  • 4,640
319 votes
10 answers
671k views

How to split the terminal into more than one "view"?

137 votes
10 answers
202k views

How do I know if a partition is ext2, ext3, or ext4?

  • 9,879
87 votes
5 answers
36k views

How do you hide a tmux pane?

  • 1,379
77 votes
2 answers
61k views

Getting "Not found" message when running a 32-bit binary on a 64-bit system

  • 949
64 votes
3 answers
33k views

Using an already established SSH channel

  • 743
50 votes
5 answers
6k views

Can a command line program prevent its output being redirected?

40 votes
2 answers
96k views

mount -t cifs: "Operation not supported", but can connect via smbclient

39 votes
12 answers
161k views

"Symbolic link not allowed or link target not accessible" / Apache on CentOS 6

  • 1,010
33 votes
1 answer
5k views

Why is sort changing the order of lines with identical sort keys?

  • 875
31 votes
3 answers
36k views

How to get fewer ttys with Systemd?

  • 51.3k
28 votes
7 answers
20k views

Wipe last 1MB of a Hard drive

  • 3,410
24 votes
3 answers
32k views

Read "/proc" to know if a process has opened a port

  • 343
21 votes
7 answers
137k views

How do I test if an item is in a bash array?

  • 11.1k
18 votes
2 answers
58k views

Why does "chmod 1777" and "chmod 3777" both set the sticky bit?

17 votes
1 answer
11k views

Blocking kernel updates with dpkg

  • 36.1k
17 votes
2 answers
66k views

iptables --set-mark - Route diferent ports through different interfaces

  • 3,430
17 votes
4 answers
35k views

Delete key doesn't work on command line

  • 694
16 votes
2 answers
22k views

Relationship between ldconfig and ld.so.cache

  • 161
15 votes
4 answers
2k views

Groups differ from the local ones when logging in remotely

  • 927
13 votes
1 answer
4k views

Why does "su -c <command> &" seemingly allow a command to run in the background without hanging up

8 votes
1 answer
4k views

Mounting from dolphin vs commandline

  • 1,765
6 votes
1 answer
20k views

Bonded network interface is not available after a reboot

6 votes
2 answers
57k views

High load average, low CPU usage - why?

  • 221
5 votes
2 answers
5k views

What's the status of Upstart on Debian? [closed]

4 votes
1 answer
912 views

MySQL server-id not being set with Fedora 16

  • 328
4 votes
3 answers
10k views

How to enable OpenGL rendering on Fedora 18 with an Intel Corporation 82852/855GM? [closed]

  • 10.5k
3 votes
1 answer
1k views

Escaping quotes for scp

  • 1,489