追蹤某程式執行狀態

#strace ./localtime

execve("./localtime", ["./localtime"], [/* 41 vars */]) = 0
brk(0)                                  = 0x1dc7d000
mmap(NULL, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x2b7b22dd2000
uname({sys="Linux", node="snowleopard", ...}) = 0
access("/etc/ld.so.preload", R_OK)      = -1 ENOENT (No such file or directory)