Table of contents
No headings in the article.
Hard link and Soft link ,date and cal cmd,
Hard Links soft link
H \=both original and hard files have same Inode number ,same size , same timestamp
if we delete original file there is no effect in hard link file ln file1 file2
S = It is pointer file to another file
if we delete original file there is effect in soft link file ln -s file1 file2
SYSTEM RESOURCES COMMANDS
Process Management Commands
ps : current running process
kill : kill the process
top : Display the linux tasks
sar : (system activity report) - It is used to collect the CPU ,Memory and I/O usage
Yum install sysstat –y (after installing it we can use sar command)
Archive/Data Backup Commands
How to create a zip files
Zip –rsample.zipsample1 (sample1 is directory name)
