Creating files

#Syntax for creating files
echo "Content here" > filename

# Append findme into the current file.
echo "findme" >> file.txt

# Replace anything which was earlier in the file.
echo "nothinghere" > file.txt

In terminal text editor

# Syntax
touch [OPTION]... FILE...

# Create an empty file using the name and location specified
touch file1

# We can also create multiple files at the same time. We can use absolute paths as well.
touch /home/demo/file2 /home/demo/file3

GUI text editor

# Create an empty file using the name and location specified
nano newfile.txt

# Create an empty file using the name and location specified
mousepad newfile.txt

Viewing File

# Syntax
cat [OPTION]... [FILE]...

# To display the full content of a file
cat filen.txt

# Syntax
more [options] [file]

# To see more portions of the document than less command options
more file.txt

#Syntax
less [options] [filename]

# To see the portion of the document that fits in the area of the terminal window
less /etc/services

Editing Files

# Syntax
nano [options] [filename]

# Open existing files, or create a file
nano file1

Finding Files

# Syntax
locate [OPTION]... PATTERN

To find files on filesystems.
locate new.txt

# Syntax
which [OPTIONS] COMMAND

which aircrack-n

find  [-H]  [-L] [-P] [-D debugopts] [-Olevel] [starting-point...]  [expression]

File and Directory Manipulation

# Make a new copy of an existing file
cp file3 file4

# Moving and Renaming Files and Directories
mv file1 test