[/root]# xargs --help Usage: xargs [OPTION]... COMMAND [INITIAL-ARGS]... Run COMMAND with arguments INITIAL-ARGS and more arguments read from input.
Mandatory and optional arguments to long options are also mandatory or optional for the corresponding short option. -0, --null items are separated by a null, not whitespace; disables quote and backslash processing and logical EOF processing -a, --arg-file=FILEread arguments from FILE, not standard input -d, --delimiter=CHARACTER items ininput stream are separated by CHARACTER, not by whitespace; disables quote and backslash processing and logical EOF processing -E END set logical EOF string; if END occurs as a line of input, the rest of the input is ignored (ignored if -0 or -d was specified) -e, --eof[=END] equivalent to -E END if END is specified; otherwise, there is no end-of-file string -I R same as --replace=R -i, --replace[=R] replace R in INITIAL-ARGS with names read from standard input; if R is unspecified, assume {} -L, --max-lines=MAX-LINES use at most MAX-LINES non-blank input lines per command line -l[MAX-LINES] similar to -L but defaults to at most one non- blank inputlineif MAX-LINES is not specified -n, --max-args=MAX-ARGSuse at most MAX-ARGS arguments per command line -P, --max-procs=MAX-PROCS run at most MAX-PROCS processes at a time -p, --interactive prompt before running commands --process-slot-var=VARset environment variable VARin child processes -r, --no-run-if-empty if there are no arguments, then do not run COMMAND; if this option is not given, COMMAND will be run at least once -s, --max-chars=MAX-CHARS limit length of command line to MAX-CHARS --show-limits show limits on command-line length -t, --verbose print commands before executing them -x, --exitexitif the size (see -s) is exceeded --helpdisplay this help and exit --version output version information and exit