Exit Codes Reference
Shell, Bash, and application exit status codes explained
Most Common Exit Codes
Frequently encountered exit codes in scripts and applications
Standard
Bash
Signal
Application
64
Usage Error
Command line usage error
65
Data Error
Data format error
66
No Input
Cannot open input
67
No User
Addressee unknown
68
No Host
Host name unknown
69
Service Unavailable
Service unavailable
70
Software Error
Internal software error
71
OS Error
System error
72
OS File Error
Critical OS file missing
73
Cannot Create
Cannot create output file
74
IO Error
Input/output error
75
Temp Failure
Temporary failure
76
Protocol Error
Remote error in protocol
77
Permission Denied
Permission denied
78
Config Error
Configuration error
Node.js
3
Internal Error
Internal JavaScript parse error
4
Evaluation Failure
Internal JavaScript evaluation failure
5
Fatal Error
Fatal error in V8
6
Non-function Handler
Internal exception handler not a function
7
Handler Error
Internal exception handler runtime failure
9
Invalid Argument
Invalid argument
10
Runtime Failure
Internal JavaScript runtime failure
12
Invalid Debug Argument
Invalid debug argument
13
Unfinished Top-Level Await
Unfinished top-level await