Setup Menus in Admin Panel

Linux Basic Command

Windows Linux using Cygwin

[email protected]:~$ cd /cygdrive/

[Switch to hard drive drivers example: c d e f]

Misc Commands

[email protected]:~$ pwd

[pwd will show the Present working directory]

Directory/File List commands

[email protected]:~$ ls

[ls will show the list of file and directory of present working directory.]

[email protected]:~$ ls b*

[ls b* will show the list of file and directory starting with b and end with anything.]

[email protected]:~$ ls -l

[Listing of all files and directory along with attributes(i.e. more detailed format like file permission, file size etc.]

[email protected]:~$ ls -a

[Listing of all files and directory along with hidden file or file starting with periods (i.e. file stating with * like *bashrc]

[email protected]:~$ ls -R

[show the listing of file and directory in tree structure.]

Read/Write/Transfer/Rename File commands

[email protected]:~$ head -20 <filename>

[ Look at the 20 lines at beginning of a file]

[email protected]:~$ tail -20 <filename>

[ Look at the last 20 lines of a file]

[email protected]:~$ watch tail -n 15 <filename>

[ Look at the last 20 lines of a growing file (Server log file)]

[email protected]:~$ cat PradeepIT.txt

[User can use the command cat to see the preview of PradeepIT.txt file.]

[email protected]:~$ cat > testfile.txt

[ Use to create file]

[email protected]:~$ mv mytext.txt mytext2.txt

[rename the file mytext.txt to mytext2.txt]

[email protected]adeepit-pc:~$ cat PradeepIT.txt onemore.txt >>new.txt

[Transfer the content of PradeepIT.txt and onemore.txt to new.txt file.]

[email protected]:~$ rm PradeepIT.txt

[rm remove the file PradeepIT.txt.]

[email protected]:~$ Vi <filename>

[It will create a Blank file. Note : It will create only if you press Esc keyword followed by :wq!]

[email protected]:~$ Vi <file1> <file2> <file3>

[It will create multiple file at once.]

[email protected]:~$ Vi file1.txt

[to open file1.txt using Vi]

[i- to insert text in file1.txt]

[press Shift+: and then type wq to save and quit.

: q to exit without any changes in file

: x to save changes and exit.]

Commands for Quit Vi EDITOR

[email protected]:~$ :q

[to quit (short for :quit)]

[email protected]:~$ :q!

[Used to quit without saving (short for :quit!)]

[email protected]:~$ :wq

[Used to write and quit (think write and quit)]

[email protected]:~$ :wq!

[Used to write and quit even if file has only read permission (if file does not have write permission: force write)]

[email protected]:~$ : x

[ Used to write and quit (shorter than :wq)]

[email protected]:~$ :qa

[Used to quit all (short for :quitall)]

January 15, 2016

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