Newest Questions - Stack Overflow
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How do I run a command as the system administrator (root)
May 10, 2026 · I need to run a command with administrative privileges. Someone said I should run a command as root. How do I do this?
How do I remove a directory and all its contents? - Unix & Linux Stack ...
Sep 25, 2025 · In bash all I know is that rmdir directoryname will remove the directory but only if it's empty. Is there a way to force remove subdirectories?
What does "&" at the end of a linux command mean?
Nov 12, 2012 · I am a system administrator and I have been asked to run a linux script to clean the system. The command is this: perl script.pl > output.log & so this command is ending with a …
In Linux, what do all the values in the "top" command mean?
Aug 25, 2021 · In Linux, what do all the values in the "top" command mean? Asked 17 years, 6 months ago Modified 4 years, 9 months ago Viewed 104k times
Where do files go when the rm command is issued? - Unix & Linux …
May 28, 2026 · Recently I accidentally did rm on a set of files and it got me thinking where exactly these files end up? That is to say, when working with a GUI, deleted files go to the Trash. What's the equival...
bash - What does " 2>&1 " mean? - Stack Overflow
Mar 24, 2026 · To combine stderr and stdout into the stdout stream, we append this to a command: 2>&1 For example, the following command shows the first few errors from compiling …
What is `^M` and how do I get rid of it? - Unix & Linux Stack Exchange
Nov 10, 2019 · 355 When I open the file in Vim, I see strange ^M characters. Unfortunately, the world's favorite search engine does not do well with special characters in queries, so I'm asking here: What …
linux - How do I find out what hard disks are in the system? - Unix ...
May 12, 2026 · Under Linux 2.6, each disk and disk-like device has an entry in /sys/block. Under Linux since the dawn of time, disks and partitions are listed in /proc/partitions. Alternatively, you can use …
Linux command to list all available commands and aliases
Oct 25, 2025 · Is there a Linux command that will list all available commands and aliases for this terminal session? As if you typed 'a' and pressed tab, but for every letter of the alphabet. Or running …