Unix basic Command part - 1

Files and Directories

These commands allow you to create directories and handle files.

Command	Description
cat	Display File Contents
cd	Changes Directory to dirname
chgrp	change file group
chmod	Changing Permissions
cp	Copy source file into destination
file	Determine file type
find	Find files
grep	Search files for regular expressions.
head	Display first few lines of a file
ln	Create softlink on oldname
ls	Display information about file type.
mkdir	Create a new directory dirname
more	Display data in paginated form.
mv	Move (Rename) a oldname to newname.
pwd	Print current working directory.
rm	Remove (Delete) filename
rmdir	Delete an existing directory provided it is empty.
tail	Prints last few lines in a file.
touch	Update access and modification time of a file.