This is output of powershell cmdlet: PS /home/. --> Get-Process NPM(K) PM(M) WS(M) CPU(S) Id SI Process Name 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 3.77 7.74 1.12 0.00 7.34 7.26 0.00 0.32 3.67 5.34 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.06 0.00 0.00 0.00 0.00 0.00 0.00 0.03 0.01 0.00 0.00 0.00 0.00 0.00 0.00 0.00 1421 ...20 (sd-pam) 796 796 accounts -daemon 797 797 acpid 88 O acpi_thermal_pm 1547 ...09 at-spi-bus-launcher 1678 ...09 at-spi2-registryd 76 O ata_sff 845 798 avahi-daemon: chroot h 798 798 avahi-daemon: running 1966 ...66 bash 74 o blkcg_punt_bio 198 cardo-crtco 200 O cardo-crtc1 201 cardo-crtc2 202 cardo-crtc3 204 cardo-crtc4 205 O cardo-crtc5 Acardo.crtcs O O O O O O O Question: You need to translate the Powershell cmdlet (which is Get-Process ) by writing a shell script program to emulate the output of powershell cmdlet. (The display format and contents as much as possible). Tips: This is a shell script command: PID TTY 1966 pts/ 1972 pts/0 :-VirtualBox: $ ps TIME CMD 00:00:00 bash 00:00:00 PS *For shell script program, not just use 'ps' only (need exactly same output as powershell as much as possible)