sysexits

Standard exit codes based on sysexits.h. See sysexits(3head) for more information.

Variable	Value	Description
L_EX_OK	0	Successful termination.
L_EX_USAGE	64	Command line usage error.
L_EX_DATAERR	65	Data format error.
L_EX_NOINPUT	66	Cannot open input.
L_EX_NOUSER	67	Addressee unknown.
L_EX_NOHOST	68	Host name unknown.
L_EX_UNAVAILABLE	69	Service unavailable.
L_EX_SOFTWARE	70	Internal software error.
L_EX_OSERR	71	System error (e.g., can't fork).
L_EX_OSFILE	72	Critical OS file missing.
L_EX_CANTCREAT	73	Can't create (user) output file.
L_EX_IOERR	74	Input/output error.
L_EX_TEMPFAIL	75	Temp failure; user is invited to retry.
L_EX_PROTOCOL	76	Remote error in protocol.
L_EX_NOPERM	77	Permission denied.
L_EX_CONFIG	78	Configuration error.
L_EX_TIMEOUT	124	The command timed out.

Generated documentation from source:

sysexits

Standard exit codes based on sysexits.h.

These codes are used to standardize return values and exit statuses throughout the library.

$L_EX_OK

Successful termination.

$L_EX_USAGE

The command was used incorrectly, e.g., with the wrong number of arguments, a bad flag, a bad syntax in a parameter, or whatever.

$L_EX_DATAERR

The input data was incorrect in some way. This should only be used for user's data & not system files.

$L_EX_NOINPUT

An input file (not a system file) did not exist or was not readable.

$L_EX_NOUSER

The user specified did not exist. This might be used for mail addresses or remote logins.

$L_EX_NOHOST

The host specified did not exist. This is used in mail addresses or network requests.

$L_EX_UNAVAILABLE

A service is unavailable. This can occur if a support program or file does not exist.

$L_EX_SOFTWARE

An internal software error has been detected. This should be limited to non-operating system related errors as possible.

$L_EX_OSERR

An operating system error has been detected. This is intended to be used for such things as "cannot fork", "cannot create pipe", or the like.

$L_EX_OSFILE

Some system file (e.g., /etc/passwd, /var/run/utmp, etc.) does not exist, cannot be opened, or has some sort of error (e.g., syntax error).

$L_EX_CANTCREAT

A (user specified) output file cannot be created.

$L_EX_IOERR

An error occurred while doing I/O on some file.

$L_EX_TEMPFAIL

Temporary failure, indicating something that is not really an error.

$L_EX_PROTOCOL

The remote system returned something that was "not possible" during a protocol exchange.

$L_EX_NOPERM

You did not have sufficient permission to perform the operation.

$L_EX_CONFIG

Something was found in an unconfigured or misconfigured state.

$L_EX_TIMEOUT

The command timed out. Convention from GNU timeout utility.