How to cat lt; lt;EOF gt; gt; a file containing code? - Stack Overflow cat with <<EOF>> will create or append the content to the existing file, won't overwrite whereas cat with <<EOF> will create or overwrite the content cat test txt hello cat <<EOF>> test txt > hi > EOF cat test txt hello hi cat <<EOF> test txt > haiiiii > EOF cat test txt haiiiii
How to append output to the end of a text file - Stack Overflow 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 intent printf "hello\nworld" >> read txt cat read txt hello world
git - How do I access my SSH public key? - Stack Overflow On terminal cat ~ ssh id_rsa pub explanation cat is a standard Unix utility that reads files and prints output ~ Is your Home User path ssh - your hidden directory contains all your ssh certificates
How to get . pem file from . key and . crt files? - Stack Overflow cat otherfilegodaddygivesyou crt gd_bundle-g2-g1 crt > name crt Then I used these instructions from Trouble with Google Apps Custom Domain SSL , which were: openssl rsa -in privateKey key -text > private pem openssl x509 -inform PEM -in www_mydomain_com crt > public pem
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 -CAfile cert2-chain pem cert3 pem 2 3 If this is OK, proceed to the next one (cert4 pem in this case) Thus for the first round through the commands would be
Looping through the content of a file in Bash - Stack Overflow $ cat tmp test txt Line 1 Line 2 has leading space Line 3 followed by blank line Line 5 (follows a blank line) and has trailing space Line 6 has no ending CR There are four elements that will alter the meaning of the file output read by many Bash solutions:
How to get the CUDA version? - Stack Overflow As Jared mentions in a comment, from the command line: nvcc --version (or usr local cuda bin nvcc --version) gives the CUDA compiler version (which matches the toolkit version)
How to open a - dashed filename using terminal? This type of approach has a lot of misunderstanding because using -as an argument refers to STDIN STDOUT i e dev stdin or dev stdout So if you want to open this type of file you have to specify the full location of the file such as - For eg , if you want to see what is in that file use cat -