This shell is not compatible with Windows Command and only applied for Unix:D.
SYNOPSIS
ls [options]... [FILE]...
DESCRIPTION
List information about the FILES(the current directory by default).
Arguments can be:
-
-a
do not ignore entries starting with .
-
-A
do not list implied . and ..
-
-l
use a long listing format,including from file mode, number of nlinks,user name, group name, size, mode modification time and name left to right
-
-R
list subdirectories recursively
SYNOPSIS
cat [options]... [FILE]...
DESCRIPTION
-
cat
Concatenate FILE(s) to standard output
-
cat file
display all contents of file
-
cat >file<<EOF
Create file and write to it from standard input
-
cat >>file<<EOF
Append content to an existing file from standard input
SYNOPSIS
cd [FILE]...
DESCRIPTION
-
cd
Modify current directory to user directory
-
cd PATH
Modify current directory to PATH