I am trying to save my directory specific command line history. AKA, when I am in a directory called Happy, and I arrow up, I don’t want to see all of my past command line history, I only want to see the history that was done in the specific Happy directory. I also want all of this to get saved
Tag: linux
Unable to create a 777 file on Linux [closed]
Closed. This question does not meet Stack Overflow guidelines. It is not currently accepting answers. This question does not appear to be about a specific programming problem, a software algorithm, or software tools primarily used by programmers. If you believe the question would be on-topic on another Stack …
Uniq skipping middle part of the line when comparing lines
Sample file aabbccddeeffgghhiijj aabbccddeellgghhiijj aabbccddeeffgghhiijj I want to skip 6th field ‘ff’ when comparing for an unique line, also I want the count of # of duplicate lines in front. I tried this, without any luck: Expected output 3 aabbccddee*gghhiijj Answer Discussion With –un…
Printing the compilation errors to a file in disk
I am a student of computer science. I am learning java on linux platform ubuntu. While I am compiling a program always I get some compilation error in terminal. I tried to read the error message from terminal. I think reading these error message gives me better understanding about the program/java language it…
Limit a set of processes’ CPU and memory usage
Browsing the web has low priority for me, and so I would like all the processes that deal with it to be low priority, too. Is this approach a valid one? Open a console window with the nice command. Launch the browser from this console. Will the program launched from this console inherit the niceness of the co…
Waiting for system call to finish
I’ve been tasked to create a program that takes a text file that contains a list of programs as input. It then needs to run valgrind on the programs (one at a time) until valgrind ends or until the program hits a max allotted time. I have the program doing everything I need it to do EXCEPT it isn’…
Coding of Admin-Guest login section in an OS
I developed an authentication algorithm for user authentication as part of my masters thesis and implemented it in PHP. I intend to know how can I implement the algorithm for operating system login, in which language (for linux)? also where the code will reside because it will not be click and run code it wil…
Change file names by Perl [closed]
Closed. This question needs debugging details. It is not currently accepting answers. Edit the question to include desired behavior, a specific problem or error, and the shortest code necessary to reproduce the problem. This will help others answer the question. Closed 7 years ago. Improve this question How t…
Convert char array of C into string of C++
I need to convert char array of C into string c++ but the char array is an element of struct. Code: This is my Structure in C and I want to access name[50] in c++ but for that I have to convert it into string. I have tried strcpy and memcpy. I am using ESL_BOOL status; and it is working
sed with variable as argument in bash script
I am trying to write a bash script to scan for authorized_keys files and remove the keys of a couple previous employees if found. I am having one heck of a time figuring out the escaping for the sed command at the end. I am using commas instead of / since / can show up in the ssh-key. Any help