8.4 Invoking xargs

xargs [option…] [command [initial-arguments]]

xargs exits with the following status:

0

if it succeeds

123

if any invocation of the command exited with status 1-125

124

if the command exited with status 255

125

if the command is killed by a signal

126

if the command cannot be run

127

if the command is not found

1

if some other error occurred.

Exit codes greater than 128 are used by the shell to indicate that a program died due to a fatal signal.