请大家解释以下以下常用命令的用途
以下是bin目录dir出来的命令,高手解释一下其作用好吗:谢谢
arch date gunzip netstat sort
ash dd gzip nice stty
ash.static df hostname nisdomainname su
aumix-minimal dmesg igawk pgawk sync
awk dnsdomainname ipcalc ping tar
basename doexec kill ps tcsh
bash domainname ln pwd touch
bash2 echo loadkeys red true
bsh ed login rm umount
cat egrep ls rmdir uname
chgrp ex mail rpm usleep
chmod false mkdir rvi vi
chown fgrep mknod rview view
consolechars gawk mktemp sed ypdomainname
cp gawk-3.1.0 more setserial zcat
cpio gettext mount sfxload
csh grep mt sh
cut gtar mv sleep