Use of command-line parameter functions under linux
//912Vfr ?h==> -9 -1 -2 -V -f -r //t: p: c:==> -t 100 should be followed by the option A parameter//If it is a letter followed by two colon
Use of command-line parameter functions under linux
//912Vfr ?h==> -9 -1 -2 -V -f -r //t: p: c:==> -t 100 should be followed by the option A parameter//If it is a letter followed by two colon