shell commands

compgen -c	#Check commands in Unix
help | more	#Check commands in Windowsls	ls       -   Lists files in current directory
ls -alF	     -   List in long format
cd	         - change directory
cd tempdir   - Change directory to tempdir
cd..         - Move back one directory
mkdir        - Make a directory
rmdir        - Remove directory(Must be empty)
cp           - Copy File into Directory
rm           - Remove or Delete File
rm *.tmp     - Remove all file
mv           - Move or rename files
more         - Look at file, one page at a time
lpr          - Send file to printer
man          - Online help about command
passwd       - Change password
gzip         - Compress file
grep<str><files> - Find which files contain certain word
who          - Lists who is logged on your machine
history      - Lists command history
date         - Print out current date
whoami       - returns your username
pwd          - tell where currently you are