$ /data/local/tmp/busybox touch /var/tmp/foo
/data/local/tmp/busybox touch /var/tmp/foo
touch: /var/tmp/foo: Permission denied
$ /data/local/tmp/busybox find /osh -file 'xargs' 2>&1 | /data/local/tmp/busybox grep -v -i denied
/data/local/tmp/busybox find /osh -file 'xargs' 2>&1 | /data/local/tmp/busybox grep -v -i denied
find: unrecognized: -file
BusyBox v1.16.2androidfull (2010-08-01 14:57:25 EDT) multi-call binary.

Usage: find [PATH]... [EXPRESSION]

Search for files. The default PATH is the current directory,
default EXPRESSION is '-print'

EXPRESSION may consist of:
        -follow         Follow symlinks
        -xdev           Don't descend directories on other filesystems
        -maxdepth N     Descend at most N levels. -maxdepth 0 applies
                        tests/actions to command line arguments only
        -mindepth N     Don't act on first N levels
        -name PATTERN   File name (w/o directory name) matches PATTERN
        -iname PATTERN  Case insensitive -name
        -path PATTERN   Path matches PATTERN
        -regex PATTERN  Path matches regex PATTERN
        -type X         File type is X (X is one of: f,d,l,b,c,...)
        -perm NNN       Permissions match any of (+NNN), all of (-NNN),
                        or exactly NNN
        -mtime DAYS     Modified time is greater than (+N), less than (-N),
                        or exactly N days
        -mmin MINS      Modified time is greater than (+N), less than (-N),
                        or exactly N minutes
        -newer FILE     Modified time is more recent than FILE's
        -user NAME      File is owned by user NAME (numeric user ID allowed)
        -group NAME     File belongs to group NAME (numeric group ID allowed)
        -depth          Process directory name after traversing it
        -size N[bck]    File size is N (c:bytes,k:kbytes,b:512 bytes(def.))
                        +/-N: file size is bigger/smaller than N
        -print          Print (default and assumed)
        -print0         Delimit output with null characters rather than
                        newlines
        -exec CMD ARG ; Run CMD with all instances of {} replaced by the
                        matching files
        -prune          Stop traversing current subtree
        (EXPR)          Group an expression

$