Unix commands

http://www.ccl.net/cca/documents/dyoung/topics-orig/unix.htmlhttp://www.washington.edu/computing/unix/unixqr.htmlhttp://www.circle4.com/jaqui/papers/webunuk.html


http://www.comptechdoc.org/os/linux/usersguide/linux_ugfilesp.html
on unix
ls -ltr
for
read=4
write=2
execute=1
if you need to change the permissions:
chmod user group owner fille name
chmod 755 file name ----only for files
chmod -R 755 filename --- directory
To change the owner ship :
chown user:group filename -- file
chown -Rh user:group directory -- Directory
for more information refer this link :
http://www.comptechdoc.org/os/linux/usersguide/linux_ugfilesp.html