linux system at the RPM command detailed explanation The

2023-01-23   ES  

Type identifier Type Instructions length
(byte)
Remarks
char character type 1 -128 ~ 127 -27 ~ (27 -1)
unsigned char 9 1 0 ~ 255 0 ~ (28 -1)
short int short integer 2 -32768 ~ 32767 2-15 ~ (215 – 1)
unsigned short int Significant short integer 2 0 ~ 65535 0 ~ (216 – 1)
int integer 4 -2147483648 ~ 2147483647 -231 ~ (231 – 1)
unsigned int 1 1 1 4 0 ~ 4294967295 0 ~ (232-1)
float real type (single precision) 4 1.18*10-38 ~ 3.40*1038  7 digits are effective
double real type (dual accuracy) 8 2.23*10-308 ~ 1.79*10308  15 digits are effective
long double real type (long double precision) 10 3.37*10-4932 ~ 1.18*104932  19 digits are effective

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linux system at the RPM command detailed explanation The

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