从程序中捕获执行的命令

Question

Is there a way to capture the commands executed by GUI programs ? Or even simple bash scripts ? Like the "history" command from bash but available on the whole system.

Answer 1

A shell (eg bash) has -x option and you can see all the commands which are executed by a particular script. run sh -x <your_script and see the output. You also can temporarily turn on/off this logging by issuing set +x , set -x inside a script.

regarding GUI programs, the answer depends on your needs, what kind of activity you'd like to log. You can use strace as suggested in the comments, and filter out exec* calls. But likely you assume something else since most activities of a GUI program are performed w/o executing external programs.