strace: update page (#12297)

* strace: update page

---------

Co-authored-by: Sebastiaan Speck <12570668+sebastiaanspeck@users.noreply.github.com>
Co-authored-by: Vitor Henrique <87824454+vitorhcl@users.noreply.github.com>

pages/linux/strace.md

@@ -3,19 +3,19 @@
 > Troubleshooting tool for tracing system calls.
 > More information: <https://manned.org/strace>.
 
-- Start tracing a specific process by its PID:
+- Start tracing a specific [p]rocess by its PID:
 
 `strace -p {{pid}}`
 
-- Trace a process and filter output by system call:
+- Trace a [p]rocess and filt[e]r output by system call:
 
-`strace -p {{pid}} -e {{system_call_name}}`
+`strace -p {{pid}} -e {{system_call,system_call2,...}}`
 
 - Count time, calls, and errors for each system call and report a summary on program exit:
 
 `strace -p {{pid}} -c`
 
-- Show the time spent in every system call:
+- Show the [T]ime spent in every system call:
 
 `strace -p {{pid}} -T`
 
@@ -26,3 +26,7 @@
 - Start tracing file operations of a program:
 
 `strace -e trace=file {{program}}`
+
+- Start tracing network operations of a program as well as all its [f]orked and child processes, saving the [o]utput to a file:
+
+`strace -f -e trace=network -o {{trace.txt}} {{program}}`