Showing posts with label linux. Show all posts
Showing posts with label linux. Show all posts
Here I am sharing some of the very useful linux commends to view system informations:
- date :Show the current date and time.
- uptime: show current uptime.
- w: display who is online.
- whoami: To check the logged in user.
- finger username: To display information about username.
- cat /proc/cpuinfo : To see the CPU information.
- cat /proc/meminfo: To see the memory information of your system.
- df -h : show disk usage
- du : To show directory space usages.
- uname -a : To show kernel information of your redhat linux.
- man <command>: To show the manual for <command> (man cat)
- cal : To show the months calendar.
- which app: To show which application will be run by default.
I am presenting some basic linux commands which is very useful for the newbie:
(1) Files related commands
Next will be related to process management: follow me
(1) Files related commands
- ls -l :List files in current directory using long format.
- ls -al :List files in current directory with hidden files.
- ls -F :List files in current directory and indicate the files types.
- rm name :Remove a file or directory called name.
- rm -rf name :Remove all directory and subdirectory under name directory.
- cp filename /home/dev :Copy the file called filename to the /home/dev directory.
- cat filename :To display the content of file named filename.
- more filename :To display file named filename one page at a time, when u want to proceed to next page use the spacebar.
- head filename :To display the first 10 lines of the file called filename.
- tail filename :To display the last 10 lines of the file called filename. (tail -f file: output the last 10 line contents of file named file.)
- touch filename :To create a file named filename.
- mv file1 file2 :Rename or move file 1 to file2 if file2 existing directory, moves file1 into files2.
Next will be related to process management: follow me