umask 0022ide
alias ll='ls -lh'spa
alias la='ls -lha'crontab
alias lt='ls -lhtr'it
alias lS='ls -lhSr'io
alias lD='ls -lh |grep "^d"'class
alias du1='du -h --max-depth=1'grep
alias du2='du -h --max-depth=2'tab
alias h='history 10'di
alias c='clear'view
alias psg='ps -ef |grep'
alias crl='crontab -l'
alias cre='crontab -e'
alias osinfo='cat /proc/version && cat /etc/redhat-release && cat /etc/issue'