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Troubleshooting tool for tracing Linux system calls.

# To start tracing a specific process by its PID:
strace -p <pid>

# To trace a process and filter output by system call:
strace -p <pid> -e <system_call_name>

# To count time, calls, and errors for each system call and report a summary on program exit:
strace -p <pid> -c

# To show the time spent in every system call:
strace -p <pid> -T

# To start tracing a program by executing it:
strace <program>

# To start tracing file operations of a program:
strace -e trace=file <program>