How to study English vocabulary effectively?

 How to study English vocabulary effectively?

Comments

Post a Comment

Popular posts from this blog

[Linux] - Managing Permissions and Ownership

Image
 [Linux] - Managing Permissions and Ownership Topic A: Modify File and Directory Permissions Permissions # ls -l : a long list of files and directories in your current working directory Permission Attributes # - r : Read # -w : Write # -x : Execute Permission Context: # Owner ( u ): user # Group ( g ) # Other ( o ) Permission String Chmod Command Modify the permissions of a file or directory. It has two forms: Chmod symbolic mode and Chmod absolute mode. Chmod symbolic mode # Permission contexts: u/g/o/a # Permission operators: +/-/= # Permission attributes: r/w/x # chmod +x <filename> : add execution permissions on the installation file   # chmod g+r file1 : give group read permission to file # chmod o-r : removes read for others # chmod go+rw file1 : give group and other read and write permission # chmod go+rw file1 # ls -l # chmod go-rwx DirA # ls -l # chmod go-w file1 # ls -l Chmod absolute mode # chmod 764 file1 : user=rwx; group=rw; others=r # chmod 700 file1 ...
Read more

[LINUX] - MANAGING STORAGE

Image
 [LINUX] - MANAGING STORAGE Topic A: Create Partitions Types of File Systems # ext3: recovery speed and data integrity # ext4: Default file system on Ubuntu, volume size, journaling # XFS: Default file system on CentOS/RHEL 7, high-performance journaling, fast recovery  Network file systems: SMB , CIFS, NFS Inodes (index nodes): Objects that store metadata about files and directories on a file system Virtual File System (VFS) : proc, devtmpfs, debugfs Real File Systems : xfs, ext4 Fdisk Create, modify, create partitions on a storage device # fdisk /dev/sda # fdisk -l: list partition tables for devices GNU Parted: also used to manage partitions: create, destroy, and resize partitions fdisk vs p arted : the former for a disk smaller 2TB, the second command for disk bigger than 2TB partprobe : update the kernel with changes in partition table mkfs command Build a Linux file system on a device, which is usually a drive partition. Syntax: mkfs [options] {device name} fstab file: ...
Read more