# ltrace > Display dynamic library calls of a process. > More information: . - Print (trace) library calls of a program binary: `ltrace ./{{program}}` - Count library calls. Print a handy summary at the bottom: `ltrace -c {{path/to/program}}` - Trace calls to malloc and free, omit those done by libc: `ltrace -e malloc+free-@libc.so* {{path/to/program}}` - Write to file instead of terminal: `ltrace -o {{file}} {{path/to/program}}`