概述软硬极限极限分为软性和硬性。
The hard limit is the maximum value that is allowed for the soft limit. Any changes to the hard limit require root access.
The soft limit is the value that Linux uses to limit the...
ANSI转义序列 - 维基百科,自由的百科全书 (wikipedia.org)
Build your own Command Line with ANSI escape codes (lihaoyi.com)
Red: \u001b[31m
Reset: \u001b[0m
This \u001b character is the special character that sta...
-luse a long listing format
missing:~$ ls -l /home
drwxr-xr-x 1 missing users 4096 Jun 15 2019 missing
First, the d at the beginning of the line tells us that missing is a directory.
Then follow...