Thanks for quick response.
Answers to both the above :
Command line: tar --version
BusyBox v1.18.4 (2012-03-14 03:32:25 CET) multi-call binary.
Usage: tar -[cxtzjaZmvO] [-X FILE] [-f TARFILE] [-C DIR] [FILE]...
Create, extract, or list files from a tar file
Operation:
c Create
x Extract
t List
Options:
f Name of TARFILE ('-' for stdin/out)
C Change to DIR before operation
v Verbose
z (De)compress using gzip
j (De)compress using bzip2
a (De)compress using lzma
Z (De)compress using compress
O Extract to stdout
h Follow symlinks
m Don't restore mtime
exclude File to exclude
X File with names to exclude
T File with names to include
dave@slitaz:~$ hwinfo | grep -i sse
/bin/sh: hwinfo: not found
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