Useful tips for everyday
What do we mean by a race condition when we read and write? A race condition is an undesirable situation that occurs when a device…
What is a file table in Linux? The process table entry (aka process control block) contains a table, the file descriptor table that gives the…
Can a gateway be on a different subnet? No, you cannot. The gateway IP tells the system how to get to another subnet, and without…
How do I get out of Sh? To end a shell script and set its exit status, use the exit command. Give exit the exit…
How many disks are required for a RAID 1 volume? two drives If one drive is lost, your data still exists in its complete form,…
What is the maximum number of extended partitions? Generally speaking , if your disk is MBR, you can create 4 primary partitions or 3 primary…
How do I save an emailed file? To save the attachments, follow these general steps: Select the message or open the message in its own…
Where are inodes stored ext4? inode tables So, the answer to your question is: Inodes are stored in inode tables, and there’s an inode table…
Can Gitignore ignore folders? gitignore file is a plain text file where each line contains a pattern for files/directories to ignore. Generally, this is placed…
Is there a regular expression for finding double characters? I am looking for a regular expression that finds all occurences of double characters in a…