Java-Terminal/help.txt at master · TarunSaini063/Java-Terminal · GitHub

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******************************************************************SOME COMMANDS ARE NOT APPLICABLE IN OUR TERMINAL**********************************************************


rChange
 -root change's user group
        Usage:rChange [OPTION] USERNAME PASSWORD
         Eg:rChange USERNAME PASSWORD
mkdir
 – make directories
         Usage: mkdir [OPTION] DIRECTORY...
        eg. mkdir prabhat

ls
 – list directory contents
        Usage: ls [OPTION]... [FILE]...
        eg. ls, ls l, ls prabhat

cd
 – changes directories
        Usage: cd [DIRECTORY]
        eg. cd prabhat
File Handling(contd...)

pwd
   print name of current working directory
      Usage: pwd

ipconfig
 - print ip address, host name and mac address
      Usage:ipconfig

systeminfo
 - print precessor name, product unique number, vendor, total and free memory
      Usage:systeminfo

uname
 -print OS name
      Usage:uname

touch
 - make new file
      Usage:touch filename.fileformat

vim
 – Vi Improved, a programmers text editor
      Usage: vim [OPTION] [file]...
      eg. vim file1.txt

cp
 – copy files and directories
         Usage: cp [OPTION]... SOURCE DEST
         eg. cp sample.txt sample_copy.txt
               cp sample_copy.txt target_dir

mv
 – move (rename) files
        Usage: mv [OPTION]... SOURCE DEST
        eg. mv source.txt target_dir
              mv old.txt new.txt
File Handling(contd...)
File Handling(contd...)

rm

remove files or directories
         Usage: rm [OPTION]... FILE...
         eg. rm file1.txt , rm rf some_dir

find
 – search for files in a directory hierarchy
        Usage: find [OPTION] [path] [pattern]
        eg. find file1.txt, find name file1.txt

history
 – prints recently used commands
         Usage: history
Pattern
A Pattern is an expression that describes a set of
strings which is used to give a concise description
of a set, without having to list all elements.
eg. ab*cd matches anything that starts with ab and
        ends with cd etc.
ls *.txt – prints all text files

cat
–
concatenate files and print on the standard output
     Usage: cat [OPTION] [FILE]...
     eg. cat file1.txt file2.txt
cat n file1.txt

echo
 – display a line of text
     Usage: echo [OPTION] [string] ...
     eg. echo I love India
           echo $HOME


grep
  print lines matching a pattern
    Usage: grep [OPTION] PATTERN [FILE]...
    eg. grep i apple sample.txt

wc
  print the number of newlines, words, and bytes in files
     Usage: wc [OPTION]... [FILE]...
     eg.  wc file1.txt
            wc L file1.txt