TLDR
Enter a command. For example: pacman key, vgcreate, dex, getopt.

strace

 
Troubleshooting tool for tracing system calls. More information: https://manned.org/strace.
 
  • Start tracing a specific process by its PID:
     
    strace -p {{pid}}
     
  • Trace a process and filter output by system call:
     
    strace -p {{pid}} -e {{system_call_name}}
     
  • 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:
     
    strace -p {{pid}} -T
     
  • Start tracing a program by executing it:
     
    strace {{program}}
     
  • Start tracing file operations of a program:
     
    strace -e trace=file {{program}}

This is a tldr pages (source, CC BY 4.0) web wrapper for cheat-sheets.org. All commands, popular commands, most used linux commands. Referrals. Progressive Web Application (PWA) version to install on your device.