unix like commands in dos

are you looking for commands like tail, follow this url, http://www.microsoft.com/downloads/en/confirmation.aspx?familyId=9d467a69-57ff-4ae7-96ee-b18c4790cffd&displayLang=en download rktools.exe and enjoy the following commands -
* Acctinfo.dll (documented in Readme.htm)
* Adlb.exe: Active Directory Load Balancing Tool
* Admx.msi: ADM File Parser
* Atmarp.exe: Windows ATM ARP Server Information Tool
* Atmlane.exe: Windows ATM LAN Emulation Client Information
* Autoexnt.exe: AutoExNT Service
* Cdburn.exe: ISO CD-ROM Burner Tool
* Checkrepl.vbs: Check Replication
* Chklnks.exe: Link Check Wizard
* Chknic.exe: Network Interface Card Compliance Tool for Network Load Balancing
* Cleanspl.exe: Spooler Cleaner
* Clearmem.exe: Clear Memory
* Clusdiag.msi: Cluster Diagnostics and Verification Tool
* Clusfileport.dll: Cluster Print File Port
* Clusterrecovery.exe: Server Cluster Recovery Utility
* Cmdhere.inf: Command Here
* Cmgetcer.dll: Connection Manager Certificate Deployment Tool
* Compress.exe: Compress Files
* Confdisk.exe: Disk Configuration Tool
* Consume.exe: Memory Consumers Tool
* Creatfil.exe: Create File
* Csccmd.exe: Client-Side Caching Command-Line Options
* Custreasonedit.exe: Custom Reason Editor (documented in Readme.htm)
* Delprof.exe: User Profile Deletion Utility
* Dh.exe: Display Heap
* Diskraid.exe: RAID Configuration Tool
* Diskuse.exe: User Disk Usage Tool
* Dnsdiag.exe: SMTP DNS Diagnostic Tool (documented in Readme.htm)
* Dumpfsmos.cmd: Dump FSMO Roles
* Dvdburn.exe: ISO DVD Burner Tool
* Empty.exe: Free Working Set Tool
* Eventcombmt.exe: Check Replication
* Fcopy.exe: File Copy Utility for Message Queuing
* Frsflags.vbs
* Getcm.exe: Connection Manager Profile Update
* Gpmonitor.exe: Group Policy Monitor
* Gpotool.exe: Group Policy Objects
* Hlscan.exe: Hard Link Display Tool
* Ifilttst.exe: IFilter Test Suite
* Ifmember.exe: User Membership Tool
* Inetesc.adm: Internet Explorer Enhanced Security Configuration
* Iniman.exe: Initialization Files Manipulation Tool
* Instcm.exe: Install Connection Manager Profile
* Instsrv.exe: Service Installer
* Intfiltr.exe: Interrupt Affinity Tool
* Kerbtray.exe: Kerberos Tray
* Kernrate.exe: Kernel Profiling Tool
* Klist.exe: Kerberos List
* Krt.exe: Certification Authority Key Recovery
* Lbridge.cmd: L-Bridge
* Linkd.exe
* Linkspeed.exe: Link Speed
* List.exe: List Text File Tool
* Lockoutstatus.exe: Account Lockout Status (documented in Readme.htm)
* Logtime.exe
* Lsreport.exe: Terminal Services Licensing Reporter
* Lsview.exe: Terminal Services License Server Viewer
* Mcast.exe: Multicast Packet Tool
* Memmonitor.exe: Memory Monitor
* Memtriage.exe: Resource Leak Triage Tool
* Mibcc.exe: SNMP MIB Compiler
* Moveuser.exe: Move Users
* Mscep.dll: Certificate Services Add-on for Simple Certificate Enrollment Protocol
* Nlsinfo.exe: Locale Information Tool
* Now.exe: STDOUT Current Date and Time
* Ntimer.exe: Windows Program Timer
* Ntrights.exe
* Oh.exe: Open Handles
* Oleview.exe: OLE/COM Object Viewer
* Pathman.exe: Path Manager
* Permcopy.exe: Share Permissions Copy
* Perms.exe: User File Permissions Tool
* Pfmon.exe: Page Fault Monitor
* Pkiview.msc: PKI Health Tool
* Pmon.exe: Process Resource Monitor
* Printdriverinfo.exe: Drivers Source
* Prnadmin.dll: Printer Administration Objects
* Qgrep.exe
* Qtcp.exe: QoS Time Stamp
* Queryad.vbs: Query Active Directory
* Rassrvmon.exe: RAS Server Monitor
* Rcontrolad.exe: Active Directory Remote Control Add-On
* Regini.exe: Registry Change by Script
* Regview.exe (documented in Readme.htm)
* Remapkey.exe: Remap Windows Keyboard Layout
* Robocopy.exe: Robust File Copy Utility
* Rpccfg.exe: RPC Configuration Tool
* Rpcdump.exe
* Rpcping.exe
* RPing: RPC Connectivity Verification Tool
* Rqc.exe: Remote Access Quarantine Client
* Rqs.exe: Remote Access Quarantine Agent
* Setprinter.exe: Spooler Configuration Tool
* Showacls.exe
* Showperf.exe: Performance Data Block Dump Utility
* Showpriv.exe: Show Privilege
* Sleep.exe: Batch File Wait
* Sonar.exe: FRS Status Viewer
* Splinfo.exe: Print Spooler Information
* Srvany.exe: Applications as Services Utility
* Srvcheck.exe: Server Share Check
* Srvinfo.exe: Remote Server Information
* Srvmgr.exe: Server Manager
* Ssdformat.exe: System State Data Formatter
* Subinacl.exe
* Tail.exe
* Tcmon.exe: Traffic Control Monitor
* Timeit.exe (documented in Readme.htm)
* Timezone.exe: Daylight Saving Time Update Utility
* Tsctst.exe: Terminal Server Client License Dump Tool
* Tsscalling.exe: Terminal Services Scalability Planning Tools
* Uddicatschemeeditor.exe: UDDI Services Categorization Scheme Editor
* Uddiconfig.exe: UDDI Services Command-line Configuration Utility
* Uddidataexport.exe: UDDI Data Export Wizard
* Usrmgr.exe: User Manager for Domains
* Vadump.exe: Virtual Address Dump
* Vfi.exe: Visual File Information
* Volperf.exe: Shadow Copy Performance Counters
* Volrest.exe: Shadow Copies for Shared Folders Restore Tool
* Vrfydsk.exe: Verify Disk
* Winexit.scr: Windows Exit Screen Saver
* Winhttpcertcfg.exe: WinHTTP Certificate Configuration Tool
* Winhttptracecfg.exe: WinHTTP Tracing Facility Configuration Tool
* Winpolicies.exe: Policy Spy
* Wins.dll: WINS Replication Network Monitor Parser
* Wlbs_hb.dll & Wlbs_rc.dll: Windows Load Balancing Server Network Monitor Parsers