Introduction to Linux part - 2
*Shreyash Bhise | Aspiring Mern Stack Developer and DevOps enthusiast,
- If you want to give rwx(read,write,execute) file permission to all:
command: chmod 777 upper.txt
command: ls -l upper.txt
- 777------->read,write,execute
- 4 ----->Read
- 2 -----> write
- 1 -----> execute
- 0 -----> No permission
-If you want to check the user: whoami
- If you want to change the owner:
- command: sudo chown root upper.txt
- command:cat upper.txt
- sudo upper.txt
- If you want to check name exist inside the file: grep "kunal" names.txt
- If you want to find line number of the file: grep -n "kunal" names.txt
- If you want to run previous command: ! find
- If you want to download something: wget (paste the url)
- If you want to find operating system name: uname
- If you want to check type of operating system: uname -o
- If you want to check architecture: uname -m
- If you want to check kernel version: uname -r
- If you want to check information about cpu details: lscpu
- If you want to check list of open file: lsof
- If you want to check active port: netstat
- Terminal shortcuts:
- ctrl + A -------> Move toward first position
- ctrl + E -------> Move toward last position
- ctrl + K -------> To remove word
- ctrl + V --------> Remove everything
- If you want to pickup command from history: history
- command: ! 757
- If you want to check which processes are running: top
