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Hi
I wanted to know if there is an option in grep command to show the number of results (not the number of lines of findings).


Thanks

hi linux expert
how can i find apostrophe (') symbol in text file by grep? for example for find 'test, the command grep " \'test" * is not useful.


Many Thanks
samad

hi
I am trying to send mail from terminal in linux, but i didn't success
when i check the email, there is not new email from this.



echo "Message Body Here" | mail -s "Subject Here"...

What does the following sentence mean?
I want to install Dropbox in centos 7, what should I do according to this sentence?

hi unix expert


what does mean the blew sentences? and what does i do for this? ( i want to install dropbox in centos)



"I was just experimenting with Flatpak apps, and Dropbox is available...

hi unix expert
is there any program in linux to compress files or directory with rar (.rar)?
i am using centos 7


many thanks
samad

hi unix expert
how can i see the history of command that i entered in past?
history

My os is centos 7

hi unix expert
is there any program in terminal to show cpu and ram information? and usage of this?

Many thanks
samad

hi linux expert
is there any program for create movie file from pictures file (like jpg)?


Many Thanks
samad

hi unix expert
is there any command in linux to repace a pattern in the text to another pattern?


many thanks
samad

"grep uses regexes, not globs" is this mean extended regular expression is used by grep?
and globs means basin regular expression?


many thanks
samad

--- Post updated at 05:52 AM ---



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hi linux expert


how to use man command for get help about "extended regular expression"?


many thanks
samad

Many thanks
how can i find any help for regex e.g in "man command in terminal"?

test is:
somethin

somethina

somethinabc

something

somethinggg



grep "something*" testsomethin...

hi everyone
what is difference between "if ( -e Arch )" and "if ( -e ./Arch )" in csh shell?


Many Thanks
samad

Thanks for response


in this script (see attachment)
Do you have any idea to use echo command?

hi linux expert


I want to print the following lines ( or similar) with the echo command in csh script.
how to do it when the number of lines is high and the use of the \ symbol for each line...

my os is centos and shell is csh
above command like "if ( -e ./wind ) then" is in the shell script not language program.


thanks

hi
what is different between two code below?
what is the role of "./"?


if ( -e wind ) then
if ( -e ./wind ) then


many thanks
samad

Do not make mistakes my question is this way
Suppose you have a list of files and directories. We want to delete a number of files as soft links. We want to do this individually by the hard command,...

If my subject is on the site, please help me on how to search

Soft link

hi linux expert


how to remove linked files with csh command?


Many thanks
samad

Thanks
so, What is the way to find the following words in grep:
e.g: sample123.txt sampleahgdtxt

hi anyone
how can use grep with wildcard. for example grep "sample?txt" filename doesn't show sample1txt or grep "sample*txt" filename doesn't show sample123.txt that there is in filename.




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