There are MANY commands available for you in a UNIX shell account. A list of them follows (in no particular order).
ls ................. show directory, in alphabetical order
logout ............. logs off systemmkdir .............. make a directoryrmdir .............. remove directory (rm -r to delete folders with files)rm ................. remove filescd ................. change current directoryman (command) ...... shows help on a specific commandtalk (user) ........ pages user for chat - (user) is a email addresswrite (user) ....... write a user on the local system (control-c to end)pico (filename) .... easy to use text editor to edit filespine ............... easy to use mailermore (file) ........ views a file, pausing every screenfulsz ................. send a file (to you) using zmodemrz ................. recieve a file (to the unix system) using zmodemtelnet (host) ...... connect to another Internet siteftp (host) ......... connects to a FTP sitearchie (filename) .. search the Archie database for a file on a FTP siteirc ................ connect to Internet Relay Chatlynx ............... a textual World Wide Web browsergopher ............. a Gopher database browsertin, trn ........... read Usenet newsgroups
passwd ............. change your password
chfn ............... change your "Real Name" as seen on finger
chsh ............... change the shell you log into
grep ............... search for a string in a file
tail ............... show the last few lines of a file
who ................ shows who is logged into the local system
w .................. shows who is logged on and what they're doing
finger (emailaddr).. shows more information about a user
df ................. shows disk space available on the system
du ................. shows how much disk space is being used up by folders
chmod .............. changes permissions on a file
bc ................. a simple calculator
make ............... compiles source code
gcc (file.c) ....... compiles C source into a file named 'a.out'
gzip ............... best compression for UNIX files
zip ................ zip for IBM files
tar ................ combines multiple files into one or vice-versa
lharc, lzh, lha .... un-arc'ers, may not be on your system
dos2unix (file) (new) - strips CR's out of dos text files
unix2dos (file) (new) - adds CR's to unix text files