Installing Samtools

Run the following command to install dependencies:

yum install ncurses-devel.aarch64 bzip2-devel.aarch64 xz-devel.aarch64 java-1.8.0-openjdk-devel.aarch64 -y

Run the following command to decompress the Samtools installation package:
```
tar -xvf samtools-0.1.9.tar.gz
```
Run the following command to go to the directory generated after the decompression:
```
cd samtools-0.1.9
```
Run the following command to obtain the absolute path of GNU:
```
which gcc
```
Run the following commands to modify the Makefile file:
1. Open Makefile.
```
vi Makefile
```
2. Press i to enter the insert mode and modify the file as follows:
  Before the modification:
```
CC         =gcc
```
  After the modification:
```
CC         =path/to/GUN/bin/gcc
```
3. Press Esc, type :wq!, and press Enter to save the file and exit.
Run the following command to perform the compilation and installation:
```
make
```
Run the following command to add the Samtools environment variable:
```
export PATH=/path/to/SAMTOOLS/samtools-0.1.9:$PATH
```

Parent topic: Configuring the Compilation Environment