Xterm terminal basic commands

sh xterm -bg black &---->for to change terminal background color

sh xterm -fg white -bg black &------>for to change terminal text and color

Tkdiff 1st tcl file 2nd tcl file ------------>for to compare 2 file parlelly

:set hls----------------->for to highlight error

:3,8w filename------>it will dump from line 3 to line 8 in a new a file

-c "100,200w new_file.txt" -c wq original_file.txt----->it will dump from line 3 to line 8 in a new a file

cd $WARD ------------------>for to know the word area

df -kh--------------------------->for to know disk size  and disk area

Df -hs--------------->

:se nu----> for to give number

:se nonu---->for to remove number

:set nowrap ---->for  to separate the word with space

grep -h /PAD filepath ------>will give PAD word all line in that file

sh gvim +10 net_names.tcl------>it will open the file and point the 10 th line onwards

:r filename t1---->if u want to dump t1 file data in t2 file use this one.u have to use this cmnd in by opening t2 file

Shift+up arrow---->goto line home position

Shift+$---------> goto line End position

ls -R | grep .filetype(.spef,.rpt)------------------->it will list specific type of files

ls -l -R | grep  .filetype(.spef,.rpt)------------------->it will list specific type of files with file permissions

Explain CHMODE:

In chmod total 10 hifuns( symbol - )----->will be there

In that 1st hifun indicate file

Next 3 hifun indicate user

How to insert something in line on before first word ?

First open that file then go to that line keep ur cursor on first word of that line

then press ESC now press CNTL+V

now press down arrow up to which line u required

then press Shift+I now type the word u required then press Esc.