How do you comment and uncomment a cron job in UNIX? Run “vi /etc/crontab“, arrow down to each line you wish uncommented and press “x” to delete the…

Operating system secrets

How do I give myself full Administrator privileges? How to change user account type using Control Panel Open Control Panel. Under the “User Accounts” section, click the Change…

Operating system secrets

Place your cursor somewhere in or next to the word you wish to select. Press Ctrl+D (Windows or Linux) or Command+D (Mac OS X) to highlight the entire…

Operating system secrets

Can you wipe a school laptop? Can you wipe a school computer? you need to identify the version of windows on it and then simply do a clean…

Operating system secrets

How can I remove administrator account without password? Type the command “net user username /delete” and press Enter to delete administrator account without password login or admin rights….

Operating system secrets

How do you do a while loop in shell script? Syntax. Here the Shell command is evaluated. If the resulting value is true, given statement(s) are executed. If…

Operating system secrets

How do I change the BIOS on my ASUS laptop? To access BIOS, you must manually press the correct key or key combination at the appropriate time during…

Operating system secrets

How do I shut down Linux? To shut down the system from a terminal session, sign in or “su” to the “root” account. Then type “/sbin/shutdown -r now”….

Operating system secrets

The primary function of the Unix tar command is to create backups. It is used to create a ‘tape archive’ of a directory tree, that could be backed…

Operating system secrets

The original Windows 1 was released in November 1985 and was Microsoft’s first true attempt at a graphical user interface in 16-bit. Development was spearheaded by Microsoft founder…

Operating system secrets