Linux

dir –help dir –version dir -a dir -A dir -l –author dir -B dir –color dir -F dir –file-type dir -r dir -R   dir -n

hwclock sudo hwclock sudo hwclock –help sudo hwclock -v sudo hwclock -r sudo hwclock -l sudo hwclock -u sudo hwclock –set –date 9/08/2035 MM/DD/YYYY sudo hwclock –set –date “12/31/2098 3:20:56” date sudo hwclock –set –date “Wed Feb 21 20:59:13 IST 2024” sudo hwclock -a cat /etc/adjtime   sudo hwclock -D sudo hwclock -s -D

htop sudo apt install htop htop –help   htop -v htop   htop -C htop -d 50 htop -u extra

df –help df –version df df -a sudo df -a df –total df -BM df -h df -H df -i df -k df -l df -P df -T df -t tmpfs df -x tmpfs df -v df -hT /home watch -n 10 df -h

diff –help diff –version cat abc.txt cat def.txt diff abc.txt def.txt diff -c abc.txt def.txt   diff -c abc.txt def.txt > diff.txt diff -u abc.txt def.txt diff -i abc.txt def.txt cat 123.txt cat 456.txt diff -i 123.txt 456.txt diff -r mv snap  

uptime uptime –help uptime -h uptime -V uptime -p uptime -s top W who -b cat /proc/uptime  

  users users –help users –version