
linux - How does "cat << EOF" work in bash? - Stack Overflow
The cat <<EOF syntax is very useful when working with multi-line text in Bash, eg. when assigning multi-line string to a shell variable, file or a pipe. Examples of cat <<EOF syntax …
How does an SSL certificate chain bundle work? - Stack Overflow
Unix: cat cert2.pem cert1.pem root.pem > cert2-chain.pem Windows: copy /A cert1.pem+cert1.pem+root.pem cert2-chain.pem /A 2.2 Run this command. openssl verify …
linux - How can I copy the output of a command directly into my ...
May 25, 2017 · cat file | xclip. Paste the text you just copied into a X application: xclip -o. To paste somewhere else other than an X application, such as a text area of a web page in a browser …
linux - Retrieve last 100 lines logs - Stack Overflow
You can simply use the following command:-tail -NUMBER_OF_LINES FILE_NAME. e.g tail -100 test.log. will fetch the last 100 lines from test.log
How to append output to the end of a text file - Stack Overflow
Oct 23, 2018 · printf "hello world" >> read.txt cat read.txt hello world However if you were to replace printf with echo in this example, echo would treat \n as a string, thus ignoring the …
Windows batch - concatenate multiple text files into one
Jul 28, 2020 · Windows type command works similarly to UNIX cat. Example 1: Merge with file names (This will merge file1.csv & file2.csv to create concat.csv) type file1.csv file2.csv > …
How to use echo command to print out content of a text file?
cat command will display the file with CR or return: $ cat names.txt Homer Marge Bart Lisa Maggie you could use echo command with cat as command substitution. However, it will …
How to perform grep operation on all files in a directory?
Working with xenserver, and I want to perform a command on each file that is in a directory, grepping some stuff out of the output of the command and appending it in a file.
How to send an email using sendmail command in linux
Aug 8, 2019 · $ cat /tem/email.txt Subject: Terminal Email Send Email Content line 1 Email Content line 2 Now send email using the following command: $ sendmail [email protected] < …
cuda - How to verify CuDNN installation? - Stack Overflow
Jul 10, 2015 · cat $(whereis cuda)/include/cudnn.h | grep CUDNN_MAJOR -A 2 Getting cuDNN Version [Windows] Use following ...