Compiling and Installing pblat

Use PuTTY to log in to the server as the root user.
Run the following command to decompress the pblat installation package:
```
tar -zxvf pblat-2.1.tar.gz
```
Run the following command to switch to the directory that contains decompressed files:
```
cd pblat-2.1/
```
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:
```
MACHTYPE=aarch64
CC=gcc
```
3. Press Esc, type :wq!, and press Enter to save the file and exit.
Run the following commands to modify the htmshell.c file:
1. Open htmshell.c.
```
vi lib/htmshell.c
```
2. Run the following command to locate line 714:
```
:714
```
3. Press i to enter the insert mode and modify line 714 of the file.
```
if (format != NULL)
```
4. Press Esc, type :wq!, and press Enter to save the file and exit.
Run the following command to compile pblat:
```
make -j16
```
Run the following command to move the executable program of pblat to the planned path:
```
cp pblat /path/to/PBLAT
```
Run the following command to add environment variables:
```
export PATH=/path/to/PBLAT:$PATH
```

Parent topic: pblat 2.1 Porting Guide (CentOS 7.6)