CentOS linux comamnds

CentOS_comamnds.txt

1. Learn CentOS version: 
cat /etc/centos-release

2. Show Users
cat /etc/centos-release

3. Find Command
find [optimization] [path] [options] [parameter]
examples:
find . -name ornek.txt
find / -name
find -03 ./folder -type f -name conf.d
find -01 -03 -maxdepth 3 -type d -name lib


Change chmod permissions recursively


chmod 755 $(find /path/to/base/dir -type d)
chmod 644 $(find /path/to/base/dir -type f)
Or, to reduce chmod spawning:

find /path/to/base/dir -type d -print0 | xargs -0 chmod 755 
find /path/to/base/dir -type f -print0 | xargs -0 chmod 644