common linux commands
Task Manager: top
View the specific available parameters and object format of the command
Display string or variable in terminal
Display system time an
Category: OS
Operating System (Operating System, referred to as OS) is a computer program that manages and controls computer hardware and software resources. It is the most basic system software that runs directly on the “bare metal”. Any other software must be supported by the operating system to run .
OSX – “You should” choose “what do they mean?
I just installed Homebrew. When I run Brew Doctor, I get this
Warning: Some directories in /usr/local/share/man aren’t writable.
This can happen if you “sudo make install” software that isn’t
OSX – How to run the shell script using Spotlight?
Is there a way to use Spotlight to run shell scripts on Mac OS X 10.6? I want to call a shell script directly from Spotlight without opening the terminal. save your shell script with a .command
NFS sharing service
NFS Network File System C/S
rpc 111 remote procedure call mechanism
S: set a shared directory
C: mount Use this shared directory to mount
Server
yum -y install nfs-uti
How to use homebrew to install python25 on my Mac
I am new to Mac and Python. I want to install an old version of Python (2.5) (OS X 10.8.1) on my Mac.
I am using homebrew because It is newer than MacPorts and I don’t know to choose between them.
Install Yum in Linux Environment
If the following error occurs, it means you need to reinstall yum:
This system is not registered to Red Hat Subscription Management. You can use subscription-manager to register.
There are no
[Linux] CP bulk copy file
[Requirements]:
There are 2 folders a, b, now you need to copy all the files (aa.py, a2.py, a3.py) in folder a to folder b (empty folder)
[Solution Method]:
The first thing that c
Linux-w Displays user information of current login systems
The Linux w command is used to display the information of the user currently logged in to the system.
Execute this command to know who is currently logged in to the system and the process the
Algorithm – Quicksort: iteration or recursive
I learned about quick sorting and how to implement it in recursive and iterative methods.
In iterative methods:
>The range (0 … N) Push onto the stack
>Use a pivot table to partition a given
HDU-1719 Friend Mathematics Derivation
Friend HDU-1719 Friend number are defined recursively as follows.
(1) numbers 1 and 2 are friend number;
(2) if a and b are friend numbers, so is ab+a +b;
(3) only the numbers defined in (1